Mathematics
NULL
Medium
Question
The area of a sector of a circle of radius 12 m with central angle 42° is?
A
26.4 m²
B
39.6 m²
C
52.8 m²
✓ Official correct answer
D
79.2 m²
Community credibility
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A
26.4 m²
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B
39.6 m²
No member explanations yet for this option.
C
52.8 m²
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D
79.2 m²
No member explanations yet for this option.
Explanation
Area = (42/360) × π × 12² = (7/60) × (22/7) × 144 = 52.8 m².