{"id":7148,"date":"2020-05-27T15:05:00","date_gmt":"2020-05-27T08:05:00","guid":{"rendered":"https:\/\/\/?p=7148"},"modified":"2020-08-21T10:20:16","modified_gmt":"2020-08-21T03:20:16","slug":"cau-lo-tam-giac","status":"publish","type":"post","link":"https:\/\/\/cau-lo-tam-giac\/","title":{"rendered":"C\u1ea7u l\u00f4 tam gi\u00e1c l\u00e0 g\u00ec? C\u00e1ch soi c\u1ea7u tam gi\u00e1c ch\u00ednh x\u00e1c"},"content":{"rendered":"\n

Trong l\u00f4 \u0111\u1ec1 c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch ch\u01a1i \u0111a d\u1ea1ng kh\u00e1c nhau. M\u1ed7i lo\u1ea1i s\u1ebd \u0111em \u0111\u1ebfn hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ecbnh. Trong \u0111\u00f3 c\u1ea7u l\u00f4 tam gi\u00e1c<\/strong> l\u00e0 m\u1ed9t c\u00e1ch soi c\u1ea7u<\/strong><\/a> hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng. Tuy nhi\u00ean \u0111\u1ec3 \u00e1p d\u1ee5ng hi\u1ec7u qu\u1ea3 b\u1ea1n c\u1ea7n ph\u1ea3i c\u00f3 nhi\u1ec1u c\u00e1ch ch\u01a1i ch\u00ednh x\u00e1c. B\u00e0i vi\u1ebft sau \u0111\u00e2u s\u1ebd gi\u00fap b\u1ea1n c\u00f3 th\u00f4ng tin th\u00fa v\u1ecb.\u00a0<\/p>\n\n\n\n

C\u1ea7u l\u00f4 tam gi\u00e1c l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n

Soi c\u1ea7u l\u00f4 tam gi\u00e1c<\/strong> ch\u00ednh l\u00e0 m\u1ed9t c\u00e1ch m\u00e0 ng\u01b0\u1eddi ch\u01a1i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft h\u1ee3p c\u00e1c con s\u1ed1 kh\u00e1c \u1edf c\u00e1c gi\u1ea3i v\u1edbi nhau. T\u1eeb \u0111\u00f3 t\u00ecm ra \u0111\u01b0\u1ee3c con l\u00f4 b\u1ea1ch th\u1ee7 \u0111\u1ec3 \u0111\u00e1nh v\u00e0o ng\u00e0y h\u00f4m sau d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 c\u1ee7a ng\u00e0y h\u00f4m tr\u01b0\u1edbc. Ph\u01b0\u01a1ng ph\u00e1p ch\u01a1i l\u00f4 \u0111\u1ec1 n\u00e0y kh\u00f4ng \u0111\u00f2i h\u1ecfi qu\u00e1 nhi\u1ec1u \u0111\u1ebfn vi\u1ec7c ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i t\u00ednh to\u00e1n m\u00e0 c\u00f3 th\u1ec3 linh \u0111\u1ed9ng t\u00ecm cho m\u00ecnh nh\u1eefng con s\u1ed1 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t. <\/p>\n\n\n\n

Ch\u00ednh \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u1ea1n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c s\u1ef1 li\u00ean quan v\u00e0 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c con s\u1ed1 c\u00f3 trong gi\u1ea3i. Sau \u0111\u00f3 ch\u1ecdn \u0111\u01b0\u1ee3c con b\u1ea1ch th\u1ee7 l\u00f4 ch\u00ednh x\u00e1c m\u00e0 b\u1ea1n t\u00e2m \u0111\u1eafc nh\u1ea5t. C\u00e1ch soi c\u1ea7u tam gi\u00e1c \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi \u00e1p d\u1ee5ng nh\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo 3 b\u01b0\u1edbc sau: <\/p>\n\n\n\n