the base area of a cylinder has a diameter of 42cm. the cylinder's height is 2/3 its radius. find the volume of the cylinder.
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Step-by-step explanation:
Diameter = 42 cm
Radius = 42/2 = 21 cm
Height = 2×21/3 = 2×7
Height = 14 cm
Volume = π × radius^2 × height
= 3.14 × 21^2 × 14
= 19404 cm^3
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