Question

Find the radius of a sphere whose surface area is 5544 cm2​

Answer 1

Step-by-step explanation:

The surface area of a sphere =5544 cm

2

So,

4πr

2

=5544

r

2

=441

r=21 cm

Diameter=2×21=42 cm

Volume of the sphere =

3

4

πr

3

Therefore,

=

3

4

π(21)

3

=

3

4

×

7

22

×21×21

2

=38808 cm

3

Hence, this is the answer.

Answer 2

Answer:

Radius = 21

Step-by-step explanation:

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