Question

The larger of two supplementary angles exceeds the smaller by $18$ degrees. Find them.

Answer 1

Let the angles be x and y

So, $x+y={180}^{\circ }-\left(1\right)$

$x=y+18$

$\Rightarrow y+18+y={180}^{\circ }$

$\therefore y=81;x={99}^{\circ }$