Question

Question 119

Find the measure of $\angle A$ in the given figure.

Answer 1

As we know, the measure of exterior angle is equal to the sum of opposite interior angles.
$\therefore {115}^{\circ }={65}^{\circ }+\angle A\Rightarrow \angle A={115}^{\circ }–{65}^{\circ }={50}^{\circ }$