Question

a right circular cone of radius 3cm has a curved surface area of 47.1cm .find the volume ofcone

Answer 1

volume of a cone =
$1 \div 3 \times \pi {r}^{2} h$

Answer 2

CSA of cone =πrl
πrl =47.1
22/7×3×l = 47.1
l = 4.99 , or 5 (h² = l² - r²), h= 4
volume = 1/3*22/7r²h
= 37.72cm³ answer.