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In the diagram above, AB//CD. What is the size of the angle marked x?

Mathematics
WAEC 1995

In the diagram above, AB//CD. What is the size of the angle marked x?
  • A. 103o
  • B. 93o
  • C. 77o
  • D. 62o
  • E. 52o
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Correct Answer: Option B
Explanation
a = 52o [vertical opp. ∠s are equal]
a = b = 52o [Alternate ∠s]
b = c = 52o [vertical opp ∠s]
c + x + 35o = 180o [sum of angles in a triangle]
52o + x + 35o = 180o
x + 87o = 180o
x = 180o - 87o = 93o

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now