Question

Calculati aria triunghiului isoacel ABC AB=AC=10 CM si BC = 12 CM

Answer 1

$p = \frac{ab + bc + ac}{2} = \frac{10 + 10 + 12}{2} = \frac{32}{2} = 16 \\ a = \sqrt{16(16 - 10)(16 - 10)(16 - 12} = \sqrt{16 \times 6 \times 6 \times 4} = 4 \times 6 \times 2 = 48cm ^{2}$