Mathematics
NULL
Medium
Question
The slant height of a cone is 12 cm and the base radius is 4 cm. Find the curved surface of the cone.
A
74π cm²
B
36π cm²
C
48π cm²
✓ Official correct answer
D
24π cm²
Community credibility
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A
74π cm²
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B
36π cm²
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C
48π cm²
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D
24π cm²
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Explanation
CSA = πrl = π × 4 × 12 = 48π cm².