Question 37

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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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