1.

Find the volume of a cylinder, if the diameter (d) of its base and its altitude (h) are d = 21 cm, h = 10 cm.

Answer»

Given,

d = 21cm

r = d/2 = 21/2cm

h = 10 cm.

By using the formula,

Volume of cylinder = πr2h

= 22/7 × 21/2 × 21/2 × 10

= 3465 cm3



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