3. Find the volume of the cylinders whose dimensions are :
(b) 1
(a) r= 8 cm, h=21 cm
(b) r = 3.5 cm, h=11
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Hey mate
a) V= πr2h
ans : πr2h= π * 8 * 2* 21
= π * 336
= 3.14 * 336 =1055.04 cm2
b) V= πr2h
πr2h = π * 3.5 * 2* 11
= π * 3.5 * 22
= π *77= 3.14 * 77 = 241.78 cm 2
hope it helps you
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