Question

in triunghiul ABC avem AB=8 , AC=8 si m(BAC)= 30'. calculati aria triunghiului ABC

Answer 1

$a \: abc = \frac{ab \times bc \times \sin( < bac) \: }{2}$

$\frac{8 \times 8 \times \sin(30) }{2}$

$\frac{64 \times \frac{1}{2} }{2}$

$\frac{32}{2}$

=16