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Geometri Arsip | Catatan Nurkholis

Geometri

Mencari Luas Segiempat Talibusur Menggunakan Rumus Brahmagupta

oleh

Sekitar abad ke tujuh Masehi, dalam Geometri Euclidean,  Brahmagupta, seorang matematikawan asal India menemukan Rumus untuk mencari luas segiempat talibusur yang telah diketahui panjang sisi-sisinya dan beberapa sudutnya. Rumus Umum Jika diketahui segiempat talibusur memiliki sisi-sisi $a$, $b$, $c$, dan $d$ serta setengah keliling $s$, maka luas segiempat tali busur $K$ dapat dinyatakan dengan $$K^2 …

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