WAEC Mathematics 2020 Question 34

Question 34

Data Presentation

The pie chart shows the population of men, women and children in a city. If the population of the city is 1,800,000, how many men are in the city?

Diagram for this question
  1. A.845,000
  2. B.600,000
  3. C.355,000
  4. D.250,000
Show the answer and explanation

Answer: C (355,000)

Explanation

The men's sector is 360° − (120° + 169°) = 71°. Men = 71/360 × 1,800,000 = 355,000.