{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" H\u00e3y ch\u1ecdn t\u1eeb ho\u1eb7c c\u1ee5m t\u1eeb th\u00edch h\u1ee3p thay v\u00e0o ch\u1ed7 ....\u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00e2u sau: <br\/> H\u00ecnh t\u1ea1o th\u00e0nh b\u1edfi \u0111i\u1ec3m A v\u00e0 m\u1ed9t ph\u1ea7n \u0111\u01b0\u1eddng th\u1eb3ng b\u1ecb chia ra b\u1edfi A \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t....","select":["A. Tia","B. \u0110\u01b0\u1eddng th\u1eb3ng"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> H\u00ecnh t\u1ea1o th\u00e0nh b\u1edfi \u0111i\u1ec3m A v\u00e0 m\u1ed9t ph\u1ea7n \u0111\u01b0\u1eddng th\u1eb3ng b\u1ecb chia ra b\u1edfi A \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t tia <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span> ","column":2}]}],"id_ques":1951},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" H\u00e3y ch\u1ecdn t\u1eeb ho\u1eb7c c\u1ee5m t\u1eeb th\u00edch h\u1ee3p thay v\u00e0o ch\u1ed7.... \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00e2u sau: <br\/> \u0110i\u1ec3m M b\u1ea5t k\u00ec n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng xy l\u00e0 g\u1ed1c chung c\u1ee7a....","select":["A. Hai tia tr\u00f9ng nhau","B. Hai tia \u0111\u1ed1i nhau"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> \u0110i\u1ec3m M n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng xy nh\u01b0 h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D101.png' \/><\/center> <br\/> \u0110i\u1ec3m M l\u00e0 g\u1ed1c chung c\u1ee7a hai tia \u0111\u1ed1i nhau Mx v\u00e0 My <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. Hai tia \u0111\u1ed1i nhau<\/span> ","column":2}]}],"id_ques":1952},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D104.png' \/><\/center> <br\/> Us v\u00e0 Vt l\u00e0 hai tia \u0111\u1ed1i nhau <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D105.png' \/><\/center> <br\/> V\u00ec Us v\u00e0 Vt l\u00e0 hai tia kh\u00f4ng chung g\u1ed1c n\u00ean Us v\u00e0 Vt kh\u00f4ng ph\u1ea3i hai tia \u0111\u1ed1i nhau <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <span class='basic_pink'> SAI <\/span> <br\/> <span class='basic_green'><i> L\u01b0u \u00fd: Hai tia \u0111\u1ed1i nhau l\u00e0 hai tia chung g\u1ed1c v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <\/i> <\/span>","column":2}]}],"id_ques":1953},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D104.png' \/><\/center> <br\/> Vs v\u00e0 Ut l\u00e0 hai tia \u0111\u1ed1i nhau <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec Ut v\u00e0 Vs l\u00e0 hai tia kh\u00f4ng chung g\u1ed1c n\u00ean Ut v\u00e0 Vs kh\u00f4ng ph\u1ea3i hai tia \u0111\u1ed1i nhau <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <span class='basic_pink'> SAI <\/span> <br\/> <span class='basic_green'><i> L\u01b0u \u00fd: Hai tia \u0111\u1ed1i nhau l\u00e0 hai tia chung g\u1ed1c v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <\/i> <\/span> ","column":2}]}],"id_ques":1954},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D104.png' \/><\/center> <br\/> Vs v\u00e0 Vt l\u00e0 hai tia \u0111\u1ed1i nhau <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec Vs v\u00e0 Vt c\u00f3 chung g\u1ed1c O <br\/> Hai tia Vs v\u00e0 Vt t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <br\/> $\\Rightarrow$ Vs v\u00e0 Vt l\u00e0 hai tia \u0111\u1ed1i nhau <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <span class='basic_pink'> \u0110\u00daNG <\/span> <br\/> <span class='basic_green'><i> L\u01b0u \u00fd: Hai tia \u0111\u1ed1i nhau l\u00e0 hai tia chung g\u1ed1c v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <\/i> <\/span> ","column":2}]}],"id_ques":1955},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Cho AB v\u00e0 Ax l\u00e0 hai tia tr\u00f9ng nhau. H\u00e3y ch\u1ecdn h\u00ecnh v\u1ebd \u0111\u00fang trong c\u00e1c h\u00ecnh sau: ","select":["A. <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D106.png' \/><\/center>","B.<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D107.png' \/><\/center>","C.<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D108.png' \/><\/center>"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> H\u00ecnh A: Hai tia AB v\u00e0 Ax chung g\u1ed1c A <br\/> Hai tia AB v\u00e0 Ax c\u00f9ng n\u1eb1m tr\u00ean n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a tia Ax <br\/> N\u00ean hai tia AB v\u00e0 Ax l\u00e0 hai tia tr\u00f9ng nhau <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":3}]}],"id_ques":1956},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Cho Mx v\u00e0 My l\u00e0 hai tia \u0111\u1ed1i nhau. H\u00e3y ch\u1ecdn h\u00ecnh v\u1ebd \u0111\u00fang trong c\u00e1c h\u00ecnh sau: ","select":["A. <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D109.png' \/><\/center>","B.<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D110.png' \/><\/center>","C.<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D111.png' \/><\/center>"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> H\u00ecnh C: Hai tia Mx v\u00e0 My chung g\u1ed1c M <br\/> Hai tia Mx v\u00e0 My t\u1ea1o th\u00e0nh \u0111\u01b0\u1eddng th\u1eb3ng xy <br\/> N\u00ean Mx v\u00e0 My l\u00e0 hai tia \u0111\u1ed1i nhau <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":3}]}],"id_ques":1957},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Hai tia Ox v\u00e0 Oy c\u00f9ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng xy. Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang?","select":["A. Hai tia Ox v\u00e0 Oy tr\u00f9ng nhau ","B. Ox v\u00e0 Oy l\u00e0 hai tia ph\u00e2n bi\u1ec7t","C. Ox v\u00e0 Oy l\u00e0 hai tia \u0111\u1ed1i nhau","D. C\u1ea3 3 \u0111\u00e1p \u00e1n \u0111\u1ec1u sai"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Theo \u0111\u1ec1 b\u00e0i ta c\u00f3 h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D118.png' \/><\/center> <br\/> Hai tia Ox v\u00e0 Oy nh\u01b0 h\u00ecnh v\u1ebd c\u00f3 chung g\u1ed1c O; Ox v\u00e0 Oy c\u00f9ng thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng xy <br\/> N\u00ean Ox v\u00e0 Oy l\u00e0 hai tia \u0111\u1ed1i nhau <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":2}]}],"id_ques":1958},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Cho tia AB, l\u1ea5y M thu\u1ed9c tia AB. Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang?","select":["A. M n\u1eb1m gi\u1eefa A v\u00e0 B ","B. B n\u1eb1m gi\u1eefa A v\u00e0 M","C. A n\u1eb1m gi\u1eefa B v\u00e0 M","D. C\u1ea3 \u0111\u00e1p \u00e1n A v\u00e0 \u0111\u00e1p \u00e1n B \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec M thu\u1ed9c tia AB n\u00ean M c\u00f3 th\u1ec3 n\u1eb1m gi\u1eefa A v\u00e0 B ho\u1eb7c B n\u1eb1m gi\u1eefa A v\u00e0 M <br\/> Ta c\u00f3 h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D119.png' \/><\/center> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":1959},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D122.png' \/><\/center> <br\/> C\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau tia tr\u00f9ng nhau g\u1ed1c A? ","select":["A. 2 ","B. 3","C. 4","D. S\u1ed1 kh\u00e1c"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Tr\u00ean h\u00ecnh v\u1ebd c\u00f3 tia AB v\u00e0 tia Ay tr\u00f9ng nhau <br\/> V\u00ec AB v\u00e0 Ay c\u00f3 chung g\u1ed1c A <br\/> AB v\u00e0 Ay c\u00f9ng thu\u1ed9c n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a tia Ay <br\/> V\u1eady c\u00f3 hai tia chung g\u1ed1c A l\u00e0 tia AB v\u00e0 tia Ay <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. 2 <\/span> ","column":4}]}],"id_ques":1960},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D122.png' \/><\/center> <br\/> C\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau tia g\u1ed1c B?","select":["A. 2 ","B. 3","C. 4","D. 5"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ednh v\u1ebd ta c\u00f3: <br\/> C\u00e1c tia g\u1ed1c B l\u00e0: BA, Bx, By <br\/> V\u1eady c\u00f3 t\u1ea5t c\u1ea3 3 tia g\u1ed1c B <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. 3 <\/span> ","column":4}]}],"id_ques":1961},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D122.png' \/><\/center> <br\/> H\u00e3y ch\u1ecdn hai tia \u0111\u1ed1i nhau. ","select":["A. Ax v\u00e0 Ay ","B. Ax v\u00e0 By","C. Bx v\u00e0 BA","D. C\u1ea3 3 \u0111\u00e1p \u00e1n \u0111\u1ec1u sai"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> +) Ax v\u00e0 Ay c\u00f3 chung g\u1ed1c A v\u00e0 Ax, Ay t\u1ea1o th\u00e0nh \u0111\u01b0\u1eddng th\u1eb3ng xy <br\/> N\u00ean Ax v\u00e0 Ay l\u00e0 hai tia \u0111\u1ed1i nhau <b> (th\u1ecfa m\u00e3n) <\/b> <br\/> +) Ax v\u00e0 By l\u00e0 hai tia kh\u00f4ng chung g\u1ed1c n\u00ean ch\u00fang \u0111\u1ed1i nhau <br\/> +) Bx v\u00e0 BA c\u00f3 chung g\u1ed1c B, v\u00e0 Bx, BA c\u00f9ng thu\u1ed9c n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a tia Bx <br\/> N\u00ean Bx v\u00e0 BA l\u00e0 hai tia tr\u00f9ng nhau <b> (lo\u1ea1i) <\/b> <br\/> +) V\u00ec Ax v\u00e0 Ay l\u00e0 hai tia \u0111\u1ed1i nhau n\u00ean \u0111\u00e1p \u00e1n D sai <\/b> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":4}]}],"id_ques":1962},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho hai tia \u0111\u1ed1i nhau MA v\u00e0 MB, X l\u00e0 1 \u0111i\u1ec3m thu\u1ed9c tia MA. Trong 3 \u0111i\u1ec3m X, M, B \u0111i\u1ec3m n\u00e0o n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m c\u00f2n l\u1ea1i?","select":["A. \u0110i\u1ec3m X ","B. \u0110i\u1ec3m M","C. \u0110i\u1ec3m B"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sau: <br\/> N\u1ebfu Ax v\u00e0 Ay l\u00e0 hai tia \u0111\u1ed1i nhau, m\u00e0 \u0111i\u1ec3m M thu\u1ed9c tia Ax, \u0111i\u1ec3m N thu\u1ed9c tia Ay th\u00ec \u0111i\u1ec3m A n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m M v\u00e0 N <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Theo \u0111\u1ec1 b\u00e0i ta c\u00f3 h\u00ecnh v\u1ebd: <br\/><center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D125.png' \/><\/center> <br\/> V\u00ec MA v\u00e0 MB l\u00e0 hai tia \u0111\u1ed1i nhau(theo \u0111\u1ec1 b\u00e0i)<br\/> M thu\u1ed9c tia MA <br\/> N\u00ean MX v\u00e0 MB l\u00e0 hai tia \u0111\u1ed1i nhau g\u1ed1c M <br\/> $\\Rightarrow$ \u0110i\u1ec3m M n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m X v\u00e0 B <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. \u0110i\u1ec3m M <\/span> ","column":3}]}],"id_ques":1963},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho \u0111i\u1ec3m O thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng ab. L\u1ea5y \u0111i\u1ec3m M thu\u1ed9c tia Oa, l\u1ea5y \u0111i\u1ec3m N thu\u1ed9c tia Ob. Trong 3 \u0111i\u1ec3m M, O, N \u0111i\u1ec3m n\u00e0o n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m c\u00f2n l\u1ea1i?","select":["A. \u0110i\u1ec3m M ","B. \u0110i\u1ec3m O","C. \u0110i\u1ec3m N"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sau: <br\/> N\u1ebfu Ax v\u00e0 Ay l\u00e0 hai tia \u0111\u1ed1i nhau, m\u00e0 \u0111i\u1ec3m M thu\u1ed9c tia Ax, \u0111i\u1ec3m N thu\u1ed9c tia Ay th\u00ec \u0111i\u1ec3m A n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m M v\u00e0 N <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Theo \u0111\u1ec1 b\u00e0i ta c\u00f3 h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D128.png' \/><\/center> <br\/> V\u00ec O thu\u1ed9c \u0111\u01b0\u1eddng th\u1eb3ng ab n\u00ean Oa v\u00e0 Ob l\u00e0 hai tia \u0111\u1ed1i nhau <br\/> \u0110i\u1ec3m M thu\u1ed9c tia Oa <br\/> \u0110i\u1ec3m N thu\u1ed9c tia Ob <br\/> $\\Rightarrow$ \u0110i\u1ec3m O n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m M v\u00e0 N <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. \u0110i\u1ec3m O <\/span> ","column":3}]}],"id_ques":1964},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D129.png' \/><\/center> <br\/> C\u00f3 bao nhi\u00eau tia \u0111\u1ed1i v\u1edbi tia Am?","select":["A. 1","B. 3","C. 2","D. 4"],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m hai tia \u0111\u1ed1i nhau \u0111\u1ec3 t\u00ecm c\u00e1c t\u00eda \u0111\u1ed1i v\u1edbi tia Am","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> +) Tia AB v\u00e0 tia Am chung g\u1ed1c A <br\/> Tia AB v\u00e0 tia Am t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <br\/> $\\Rightarrow$ AB v\u00e0 Am l\u00e0 hai tia \u0111\u1ed1i nhau <br\/> +) Tia AC v\u1edbi tia Am chung g\u1ed1c A <br\/> Tia AC v\u00e0 Am t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <br\/> $\\Rightarrow$ AC v\u00e0 Am l\u00e0 hai tia \u0111\u1ed1i nhau <br\/> +) Tia Am v\u1edbi tia An c\u00f3 chung g\u1ed1c A <br\/> Tia Am v\u00e0 An t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <br\/> $\\Rightarrow$ Am v\u00e0 An l\u00e0 hai tia \u0111\u1ed1i nhau <br\/> V\u1eady c\u00f3 t\u1ea5t c\u1ea3 3 tia \u0111\u1ed1i v\u1edbi tia Am l\u00e0: AB, AC, An <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. 3 <\/span> ","column":4}]}],"id_ques":1965},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D129.png' \/><\/center> <br\/> C\u00f3 bao nhi\u00eau tia tr\u00f9ng nhau g\u1ed1c C","select":["A. 4","B. 2","C. 1","D. 3"],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m hai tia tr\u00f9ng nhau \u0111\u1ec3 t\u00ecm c\u00e1c tia tr\u00f9ng nhau g\u1ed1c C","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> +) Tia CB v\u00e0 tia CA c\u00f3 chung g\u1ed1c C <br\/> Tia CB v\u00e0 tia CA c\u00f9ng thu\u1ed9c m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a tia Cm <br\/> $\\Rightarrow$ tia CB v\u00e0 tia CA l\u00e0 hai tia tr\u00f9ng nhau g\u1ed1c C <br\/> +) Tia CB v\u00e0 tia Cm c\u00f3 chung g\u1ed1c C <br\/> Tia CB v\u00e0 tia Cm c\u00f9ng thu\u1ed9c n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a tia Cm <br\/> $\\Rightarrow$ CB v\u00e0 Cm l\u00e0 hai tia tr\u00f9ng nhau g\u1ed1c C <br\/> V\u1eady c\u00f3 t\u1ea5t c\u1ea3 3 tia tr\u00f9ng nhau g\u1ed1c C l\u00e0: CA, CB v\u00e0 Cm <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: D. 3 <\/span> ","column":4}]}],"id_ques":1966},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D129.png' \/><\/center> <br\/> C\u00f3 bao nhi\u00eau tia \u0111\u1ed1i v\u1edbi tia Bn","select":["A. 4","B. 2","C. 1","D. 3"],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m hai tia \u0111\u1ed1i nhau \u0111\u1ec3 t\u00ecm c\u00e1c tia \u0111\u1ed1i v\u1edbi tia Bn","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> +) Tia Bn v\u00e0 tia BA c\u00f3 chung g\u1ed1c B <br\/> Tia Bn v\u00e0 tia BA t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <br\/> $\\Rightarrow$ tia Bn v\u00e0 tia BA l\u00e0 hai tia \u0111\u1ed1i nhau g\u1ed1c B <br\/> +) Tia Bn v\u00e0 tia Bm c\u00f3 chung g\u1ed1c B <br\/> Tia Bm v\u00e0 tia Bn t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng <br\/> $\\Rightarrow$ Bm v\u00e0 Bn l\u00e0 hai tia \u0111\u1ed1i nhau g\u1ed1c B <br\/> V\u1eady c\u00f3 t\u1ea5t c\u1ea3 3 tia \u0111\u1ed1i v\u1edbi tia Bn l\u00e0: BA v\u00e0 Bm <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. 2 <\/span> ","column":4}]}],"id_ques":1967},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D130.png' \/><\/center> <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang?","select":["A. OM v\u00e0 ON l\u00e0 hai tia tr\u00f9ng nhau","B. Ox v\u00e0 Nx l\u00e0 hai tia tr\u00f9ng nhau","C. Oy v\u00e0 My l\u00e0 hai tia tr\u00f9ng nhau","D. ON v\u00e0 Ox l\u00e0 hai tia tr\u00f9ng nhau"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd, d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m hai tia tr\u00f9ng nhau \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n, n\u1ebfu th\u1ecfa m\u00e3n hai \u0111i\u1ec1u ki\u1ec7n: <br\/> +) Hai tia c\u00f3 chung g\u1ed1c <br\/> +) Hai tia c\u00f9ng thu\u1ed9c m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng <br\/> Th\u00ec hai tia \u0111\u00f3 tr\u00f9ng nhau <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> A- Hai tia OM v\u00e0 ON c\u00f3 chung g\u1ed1c O <br\/> Tia OM v\u00e0 tia ON kh\u00f4ng c\u00f9ng thu\u1ed9c m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng <br\/> $\\Rightarrow$ OM v\u00e0 On kh\u00f4ng ph\u1ea3i hai tia tr\u00f9ng nhau <b> (lo\u1ea1i) <\/b> <br\/> B - Hai tia Ox v\u00e0 Nx kh\u00f4ng chung g\u1ed1c <br\/> $\\Rightarrow$ Ox v\u00e0 Nx l\u00e0 hai tia kh\u00f4ng tr\u00f9ng nhau <b> (lo\u1ea1i) <\/b> <br\/> C - Hai tia Oy v\u00e0 My l\u00e0 hai tia kh\u00f4ng chung g\u1ed1c <br\/> $\\Rightarrow$ Oy v\u00e0 My l\u00e0 hai tia kh\u00f4ng tr\u00f9ng nhau <b> (lo\u1ea1i) <\/b> <br\/> D - Hai tia ON v\u00e0 Ox c\u00f3 chung g\u1ed1c O <br\/> Tia ON v\u00e0 tia Ox c\u00f9ng thu\u1ed9c n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a tia Ox <br\/> $\\Rightarrow$ ON v\u00e0 Ox l\u00e0 hai tia tr\u00f9ng nhau <b> (th\u1ecfa m\u00e3n) <\/b> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":1968},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D132.png' \/><\/center> <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang?","select":["A. NP v\u00e0 Py l\u00e0 hai tia tr\u00f9ng nhau","B. Mx v\u00e0 Nx l\u00e0 hai tia tr\u00f9ng nhau","C. MN v\u00e0 NP l\u00e0 hai tia tr\u00f9ng nhau","D. C\u1ea3 3 \u0111\u00e1p \u00e1n \u0111\u1ec1u sai"],"hint":"Quan s\u00e1t h\u00ecnh v\u1ebd, d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m hai tia tr\u00f9ng nhau \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n, n\u1ebfu hai tia tr\u00f9ng nhau th\u00ec ph\u1ea3i th\u1ecfa m\u00e3n c\u1ea3 hai \u0111i\u1ec1u ki\u1ec7n: <br\/> +) Hai tia chung g\u1ed1c <br\/> +) Hai tia c\u00f9ng thu\u1ed9c m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng th\u1eb3ng <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> A- Hai tia NP v\u00e0 Py kh\u00f4ng chung g\u1ed1c <br\/> $\\Rightarrow$ NP v\u00e0 Py l\u00e0 hai tia kh\u00f4ng tr\u00f9ng nhau <b> (lo\u1ea1i) <\/b> <br\/> B - Hai tia Mx v\u00e0 Nx kh\u00f4ng chung g\u1ed1c <br\/> $\\Rightarrow$ Mx v\u00e0 Nx l\u00e0 hai tia kh\u00f4ng tr\u00f9ng nhau <b> (lo\u1ea1i) <\/b> <br\/> C - Hai tia MN v\u00e0 NP kh\u00f4ng chung g\u1ed1c <br\/> $\\Rightarrow$ MN v\u00e0 NP l\u00e0 hai tia kh\u00f4ng tr\u00f9ng nhau <b> (lo\u1ea1i) <\/b> <br\/> V\u1eady c\u1ea3 3 \u0111\u00e1p \u00e1n A, B, C \u0111\u1ec1u sai <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":1969},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/hinhhoc/bai4/lv1/img\/H614_D133.png' \/><\/center> <br\/> Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang?","select":["A. AM v\u00e0 ON l\u00e0 hai tia chung g\u1ed1c","B. OA v\u00e0 OB l\u00e0 hai tia chung g\u1ed1c","C. BM v\u00e0 OM l\u00e0 hai tia chung g\u1ed1c","D. MB v\u00e0 AB l\u00e0 hai tia chung g\u1ed1c"],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Quan s\u00e1t h\u00ecnh v\u1ebd ta c\u00f3: <br\/> A- Hai tia AM v\u00e0 ON kh\u00f4ng chung g\u1ed1c <b> (lo\u1ea1i) <\/b> <br\/> B - Hai tia OA v\u00e0 OB chung g\u1ed1c O <b> (th\u1ecfa m\u00e3n) <\/b> <br\/> C - Tia BM c\u00f3 g\u1ed1c l\u00e0 M, tia OM c\u00f3 g\u1ed1c l\u00e0 O <br\/> $\\Rightarrow$ BM v\u00e0 OM l\u00e0 hai tia kh\u00f4ng chung g\u1ed1c <b> (lo\u1ea1i) <\/b> <br\/> D - Tia MB c\u00f3 g\u1ed1c l\u00e0 M, tia AB c\u00f3 g\u1ed1c l\u00e0 A <br\/> $\\Rightarrow$ Hai tia MB v\u00e0 AB kh\u00f4ng chung g\u1ed1c <b> (lo\u1ea1i) <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":1970}],"lesson":{"save":0,"level":1}}