Question

The radius of a sphere is 3.5.find it's surface area and volume

Answer 1

Surface area = 154s sq.units
Volume = 180.40 cu.units

Hope it helps you.

Answer 2

Radius is given to us=3.5

We know that surface area of sphere is =4πr²

=4*22/7*3.5*3.5=154

Now volume of sphere=4/3πr³

=4/3*22/7*3.5*3.5*3.5

=51.3