find the volume of a right circular cylinder if the radius of its base and its height are 1.4 cm and 2 dm respectively
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Radius of base of cylinder (r) = 1.4cm
Height of the cylinder (h) = 2dm = 20 cm
we know
Vol of cylinder (V) = π r2 h
= 22/7x1.4x1.4x20 = 123.2 cm2
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