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WAEC Mathematics 2025 Question 34

Question 34

Angles and Polygons

The interior angles of a triangle are in the ratio 2 : 5 : 8. Find the difference between the smallest and largest angles

  1. A.12°
  2. B.24°
  3. C.48°
  4. D.72°
Show the answer and explanation

Answer: D (72°)

Explanation

The angles are 2/15, 5/15 and 8/15 of 180°: 24°, 60° and 96°. The difference is 96° − 24° = 72°.