Heron formulasi

Geron formulasi — uchburchakning yuzi uchala tomoni orqali ifodalanuvchi formula: $S = \sqrt{p (p - a) (p - b) (p - c)}$ , bunda S — uchburchak yuzi, a, b va c — tomonlari, Sp — yarim perimetri ( $p = \frac{a + b + c}{2}$ ).