Question 21

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waecmaths question: 

In the diagram, $\overline{SR}$is parallel to $\overline{UW}$,$\angle WVT={{x}^{\circ }},\angle VUT={{y}^{\circ }},\angle RSV={{45}^{\circ }}$and $\angle VTU={{20}^{\circ }}$Find the value of x

Option A: 

20o

Option B: 

45o

Option C: 

65o

Option D: 

135o

waecmaths solution: 

$x=\angle WVT=\angle RSV={{45}^{\circ }}\text{    }\!\!\{\!\!\text{ alternate angles }\!\!\}\!\!\text{ }$

maths year: