In the diagram, ST is parallel to UW, ∠ WVT = x°, ∠ VUT =

MATHEMATICS

WAEC 2014

In the diagram, ST is parallel to UW, ∠ WVT = x°, ∠ VUT = y°, ∠ RSV = 45° and ∠ VTU = 20°. Find the value of x

A. 20
B. 45
C. 65
D. 135

Correct Answer: B. 45

Explanation

From the diagram SR//UW given that< RSV = 45^o and< WVT = x^o

< WVT = 45^o(corresponding angle)

x^o = 45

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