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WAEC Mathematics 2021 Question 34

Question 34

Triangles and Quadrilaterals

Find the value of (x + y) in the diagram.

Diagram for this question
  1. A.215°
  2. B.70°
  3. C.135°
  4. D.145°
Show the answer and explanation

Answer: A (215°)

Explanation

Using the parallel lines, y = 180° − 110° = 70° and x = 180° − 35° = 145°. So x + y = 215°.