Find the curved surface area of a cone whose radius of the base is 7 cm and slant height is 8 cm. [Use pi = 22/7]
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 176 cm2
the curved surface area of a cone = π × radius × slant height
= 22 × 7×8
= 22 x 8
= 176 cm²