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WAEC Mathematics 2015 Question 26

Question 26

Data Presentation

The population of students in a school is 810. If this is represented on a pie chart, calculate the sectoral angle for a class of 72 students.

  1. A.32°
  2. B.45°
  3. C.60°
  4. D.75°
Show the answer and explanation

Answer: A (32°)

Explanation

72/810 × 360° = 32°.