waecmaths question:
In the diagram $\angle ROS={{66}^{\circ }}$and $\angle POQ=3x$ .Some construction lines are shown. Calculate the value of x
Option A:
10o
Option B:
11o
Option C:
22o
Option D:
30o
waecmaths solution:
Line OP is bisector of $\angle ROS$$\begin{align} & \angle ROS={{66}^{\circ }} \\ & \angle POQ=\frac{{{66}^{\circ }}}{2}={{22}^{\circ }} \\\end{align}$
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