Math, asked by yyy36, 6 months ago

find the surface
area of
sphere of diameter 21cm

Answers

Answered by abhaya2101

1

Answer:

1385.44

hope it's help u

Answered by Anonymous

0

Step-by-step explanation:

Radius of sphere =r=

2

diameter

=

2

21

=10.5cm

Surface area of sphere =4πr

2

=4×

7

22

×10.5×10.5

=1386cm

2

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