Soi c\u1ea7u tam gi\u00e1c l\u00e0 g\u00ec?<\/span><\/h2>\nSoi c\u1ea7u tam gi\u00e1c<\/strong> l\u00e0 vi\u1ec7c ph\u00e2n t\u00edch b\u1ea3ng KQXS \u0111\u00e3 ra \u1edf k\u00ec tr\u01b0\u1edbc, d\u1ef1a v\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u00ecm ra c\u00e1c quy lu\u1eadt, s\u1ef1 li\u00ean quan gi\u1eefa nh\u1eefng con s\u1ed1 \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u0111\u00f3 theo m\u1ed9t khung tam gi\u00e1c. T\u1eeb \u0111\u00f3 ph\u1ed1i h\u1ee3p th\u00eam v\u00e0i ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u<\/strong> kh\u00e1c \u0111\u1ec3 t\u00ecm ra \u0111\u01b0\u1ee3c con s\u1ed1 \u0111\u1eb9p nh\u1ea5t, kh\u1ea3 n\u0103ng v\u1ec1 cao nh\u1ea5t.<\/p>\nCh\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t nh\u00e9.<\/p>\n
Soi c\u1ea7u tam gi\u00e1c theo gi\u1ea3i \u0110B<\/span><\/h2>\n\u0110\u00e2y l\u00e0 c\u00e1ch soi c\u1ea7u tam gi\u00e1c<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t, anh em l\u1ea7n l\u01b0\u1ee3t l\u00e0m c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:<\/p>\nB\u01b0\u1edbc 1:<\/strong> Ph\u00e2n t\u00edch, li\u1ec7t k\u00ea 3 v\u1ecb tr\u00ed sau \u0111\u1ec3 soi c\u1ea7u: Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3i 6 th\u1ee9 2 (gi\u1ea3i 6.2<\/strong>). Con s\u1ed1 th\u1ee9 nh\u1ea5t c\u1ee7a con b\u1ea1ch th\u1ee7 \u0111\u01b0\u1ee3c t\u00ecm ra t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t. Con s\u1ed1 th\u1ee9 2 th\u00ec \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y d\u1ef1a v\u00e0o gi\u1ea3i 6 th\u1ee9 2 nh\u00e9 anh em. Anh em xem h\u00ecnh v\u00ed d\u1ee5 tham kh\u1ea3o nh\u00e9!<\/p>\n
Ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t nh\u00e9.<\/p>\n
Soi c\u1ea7u tam gi\u00e1c theo gi\u1ea3i \u0110B<\/span><\/h2>\n\u0110\u00e2y l\u00e0 c\u00e1ch soi c\u1ea7u tam gi\u00e1c<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t, anh em l\u1ea7n l\u01b0\u1ee3t l\u00e0m c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:<\/p>\nB\u01b0\u1edbc 1:<\/strong> Ph\u00e2n t\u00edch, li\u1ec7t k\u00ea 3 v\u1ecb tr\u00ed sau \u0111\u1ec3 soi c\u1ea7u: Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3i 6 th\u1ee9 2 (gi\u1ea3i 6.2<\/strong>). Con s\u1ed1 th\u1ee9 nh\u1ea5t c\u1ee7a con b\u1ea1ch th\u1ee7 \u0111\u01b0\u1ee3c t\u00ecm ra t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t. Con s\u1ed1 th\u1ee9 2 th\u00ec \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y d\u1ef1a v\u00e0o gi\u1ea3i 6 th\u1ee9 2 nh\u00e9 anh em. Anh em xem h\u00ecnh v\u00ed d\u1ee5 tham kh\u1ea3o nh\u00e9!<\/p>\n
B\u01b0\u1edbc 1:<\/strong> Ph\u00e2n t\u00edch, li\u1ec7t k\u00ea 3 v\u1ecb tr\u00ed sau \u0111\u1ec3 soi c\u1ea7u: Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t, gi\u1ea3i nh\u1ea5t v\u00e0 gi\u1ea3i 6 th\u1ee9 2 (gi\u1ea3i 6.2<\/strong>). Con s\u1ed1 th\u1ee9 nh\u1ea5t c\u1ee7a con b\u1ea1ch th\u1ee7 \u0111\u01b0\u1ee3c t\u00ecm ra t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t. Con s\u1ed1 th\u1ee9 2 th\u00ec \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y d\u1ef1a v\u00e0o gi\u1ea3i 6 th\u1ee9 2 nh\u00e9 anh em. Anh em xem h\u00ecnh v\u00ed d\u1ee5 tham kh\u1ea3o nh\u00e9!<\/p>\n