Find the curved surface area of a cone of radius 3cm and slant height 7cm (\(take \pi = \frac{22}{7}\)
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option C
Explanation:
Curved surface area of a cone \(= \pi rt\\
\frac{22}{7}\times 3\times 7 = 66cm^2\)
Curved surface area of a cone \(= \pi rt\\
\frac{22}{7}\times 3\times 7 = 66cm^2\)