Chelsea's Cylinder Volume and Volume Problems

7.3, Page 266

a)

V=πxrxrxh
V=(3.14x4x4)x12
=50.24cmx12
=602.88

b)

V=πxrxrxh
V=(3.14x1x1)x7
= 3.14cm2x7
= 21.98

c)

V= πxrxrxh
V= (3.14x6x6)x37.5
= 113.04cm2x37.5
= 4329

d)

V=πxrxrxh
V= (3.14x2.25x2.25)x19.5
= 15.90cm2x19.5
= 310.05


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7.4, Page 273


































The answer is 1130.4cm