Question

Curved surface area of cone is 308cm² and its slant height is 14 cm.Find
1) Radius of base
2) Total surface area.

Answer 1

Hello
Given l=14cm
c.s.a of cone=πrl
πrl=308
22/7×14×r=308
44×r=308
Radius=308÷44=7cm
2)T.S.A =πr(r+l)
=22/7×7(7+14)
=22×(21)
=462cm^2
Hope it helps.

Answer 2

Hlo mate your solution