Math, asked by ushat1224, 11 months ago

A spherical tank is 21 cm in diameter. Find the surface area and volume.​

Answers

Answered by mohit681974
2

Step-by-step explanation:

d = 21 cm

r = 21/2

surface area of sphere = 4πrsquare

= 4×22/7×21/2×21/2

=1386 cm square

volume of sphere =4/3πrcube

=4/3÷22/7×21/2×21/2×21/2

=4851 cm cube

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