WAEC Mathematics 2023 Objective — Question 33
Question 33 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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The angle of a sector of a circle of radius 3.4 cm is 115°. Find the area of the sector. [Take π=22/7]
- A. 10.2 cm²
- B. 11.6 cm²Correct
- C. 12.7 cm²
- D. 10.2 cm131
Explanation
Area of sector=(θ/360)×πr²=(115/360)×(22/7)×3.4²≈11.6 cm².
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