The area of the curved surface of a cone is 60π cm2. If the slant height of the cone be 8 cm, find the radius of the base.
We have,
Curved surface area of cone = 60π cm2
Slant height l = 8 cm
So , πrl = 60π
rl = 60
= r =
=7.5 cm
8
The area of the curved surface of a cone is 60π cm2. If the slant height of the cone be 8 cm, find the radius of the base.
We have,
Curved surface area of cone = 60π cm2
Slant height l = 8 cm
So , πrl = 60π
rl = 60
= r ==7.5 cm