find the curved surface area of a cone whose height is 12cm and base radius 5cm
Answers
Answered by
2
Step-by-step explanation:
Given, height of cone = 12cm
Base radius = 5 cm
By Pythagoras theorem,
Slant height of cone
l = √{(12)^2 +(5)^2}
l = 13cm
Now , curved surface area of cone
= πrl
=(22/7)×5×13
=1430/7
=204.28 square cm
Similar questions