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WAEC Mathematics 1995 Question 38

Question 38

Angles and Polygons

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

Diagram for this question
  1. A.103°
  2. B.93°
  3. C.77°
  4. D.62°
  5. E.52°
Show the answer and explanation

Answer: B (93°)

Explanation

The 52° angle at A is repeated where the upper line crosses CD (corresponding angles). In the triangle formed with the 35° angle, x = 180° − 52° − 35° = 93°.