Question

Find the volume of cylinder of length 80 cm and diameter of whose base is 7 cm

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Answer 1

Diameter = 7 cm

Radius = 3. 5 cm

Volume of cylinder = 22/7(pie) × r × r × h

80= 22/7× 3.5 × 3.5 × h

h = 80×7×10×10 ÷ 22×35×35

h = 2 cm

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