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Syarat Dua Segitiga yang Sebangun

Syarat Dua Segitiga yang Sebangun. B. Q. A. R. A. C. Pada gambar di atas terdapat ∆ARQ dan ∆ACB , AC adalah perpanjangan dari AR sehingga AC = 2AR AB perpanjangan dari AQ , AB = 2 AQ BC = 2 QR. QR //BC

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Syarat Dua Segitiga yang Sebangun

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  1. SyaratDuaSegitiga yang Sebangun B Q A R A C Padagambardiatasterdapat∆ARQdan∆ACB, ACadalahperpanjangandariARsehinggaAC = 2AR AB perpanjangandari AQ , AB = 2 AQ BC = 2 QR. QR //BC AR : AC = 1 : 2 (diketahui ), AQ : AB = 1 : 2 ( diketahui ) maka QR :BC = 1:2 Jadikitaperolehsisi –sisi yang bersesuaiansebanding Perbandingansisi-sisi yang bersesuaianmempunyaiperbandingan yang sama

  2. SyaratDuaSegitiga yang Sebangun B Q A R A C Sudut BAC = sudut QAR (berimpit ), sudut AQR = sudut ABC ( sehadap ) danSudut BCA =sudut QRA (sehadap) Dari keterangandiatas Karenakeduasudutnyasamamakasudut yang lain jugasama, yaitusudut AQR=sudut ABC Jikaduasudut yang bersesuaianpadaduasegitigasamabesarmakakeduasegitigaitusebangun

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