Question

Determinati aria triunghiului MNP stiind ca MN=12,MP=3 si m (unghiul m)=30grade. Va rog 

Answer 1

A= $\frac{MN * MP * sin30}{2}$ => $\frac{12*3* \frac{1}{2} }{2}$ =>$\frac{18}{2}$ = 9

Answer 2

$A_{\Delta}=\frac{12\;\cdot\;3\cdot\;{sin30}}{2}=18\cdot\frac{1}{2}=9$