Question

find the volume of a sphere whose radius is:
(ii) 5 m
​

Answer 1

Answer:

Answer

It is given that

Radius of the sphere =5 cm

We know that

Volume of the sphere =

3

4

πr

3

By substituting the values

Volume of the sphere =

3

4

×

7

22

×5

3

So we get

Volume of the sphere =523.81 m

3

We know that

Surface area of the sphere =4πr

2

By substituting the values

Surface area of the sphere =4×

7

22

×5

2

So we get

Surface area of the sphere =314.28 m

2

Answer 2

Answer:

volume of sphere is 4/3 pie r cube