(a)[1]
Find the value of $\angle C\hat{A}B$.
(b)[1]
Find the value of $\angle C\hat{B}P$.
(c)[1]
Find the value of $\angle D\hat{Q}R$.
Mathematics 4024 · O Level · Angles
Angles — practice question
From the diagram, $AB$, $BC$, $CD$ and $DE$ form four consecutive sides of a regular polygon. The polygon has each interior angle equal to $160^\circ$. $ABPQR$, $DCP$ and $EDQ$ are straight lines.