In the diagram, ST is parallel to UW, lt; WVT = xo, lt; VUT = yo, lt; RSV = 45o and lt; VTU = 20o. Calculate the value of y

In the diagram, ST is parallel to UW, < WVT = x^o, < VUT = y^o, < RSV = 45^o and < VTU = 20^o. Calculate the value of y

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A 20
B 25
C 45
D 65

Correct Answer: Option B

Explanation:
x^o + z^o = 180^o (sum of < on str. line)
45^o + z^o = 180^o
z^o = 180^o - 45^o
z = 135^o
z + y^o + 20^o = 180^o (sum of < s in \(\bigtriangleup\))
135^o + y^o + 20^o = 180^o
y^o + 155^o = 180^o
y^o + 180^o - 155^o
y^o = 25^o

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In the diagram, ST is parallel to UW, lt; WVT = xo, lt; VUT = yo, lt; RSV = 45o and ...

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

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