Question

Find the angle measure $x$ in the following figures.

Answer 1

n -Sided polygon has sum of angls =$(n-2){180}^{\circ }$

Here,4 Sided $\Rightarrow x+50+130+120={360}^{\circ }$

$\Rightarrow x+300=360$ $\Rightarrow x={60}^{\circ }$