A cone has base radius 4cm and height 3cm. The area of its curved surface is
Question
A cone has base radius 4cm and height 3cm. The area of its curved surface isOptions
A) \(12\mathit{\pi cm}^2\)
B) \(20\mathit{\pi cm}^2\)
C) \(24\mathit{\pi cm}^2\)
D) \(251\mathit{\pi cm}^2\)
The correct answer is B.
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