In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX

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In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX

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Mathematics Classroom
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Waec 1996
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A 20^o
B 80^o
C 100^o
D 120^o
E 140^o

Correct Answer: Option B

Explanation:
a = 40^o (vertical opp. ∠s are equal) b = 60^o
a + b + c = 180^o (sum of ∠s on a str line)
40^o + 60^o + c = 180^o
C = 180^o - 100^o
C = 80^o

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In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX

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

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