Find the area of a sector of a circle of radius 6 cm with a central angle of 60°. (Use pi = 22/7)
A18.86 cm²
B21.42 cm²
C24.50 cm²
D36.00 cm²
Explanation
Area of sector = (theta / 360°) * pi * r^2 = (60 / 360) * (22/7) * 36 = (1/6) * (22/7) * 36 = 6 * (22/7) = 132 / 7 = 18.86 cm².
Exam Relevance
- Topic: Geometry & Mensuration
- Subtopic: Sector of Circle
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