Question

Find $x$ and $y$ in the adjoining figure.

Answer 1

$2x+{120}^o={180}^o$ (sum of $\angle$ of a triangle)

$\Rightarrow$ $x={30}^o$

${95}^o+y={180}^o$ ($ABCD$ is a cyclic quadrilateral)

$\Rightarrow y={85}^o$