Question

Calculati aria trhiunghiului ABC
AC=6√2 cm ; BC=6 cm si m( ABC )= 45 DE GRADE

Answer 1

$A_{ABC}= \frac{AC*BC*sin(B)}{2}= \frac{6 \sqrt{2} *6*sin45}{2}= \frac{ 6\sqrt{2}*6* \frac{ \sqrt{2} }{2} }{2}= \frac{36}{2}=18(cm^{2})$