Question

Volume of iron pillar is 423.5 cm and diameter of it's base is 7 cm then the height of pillar is

Answer 1

Answer:

Volume of iron pillar = pie*radius^2*height

423.5 = 22/7 * 7/2 * 7/2 * h

423.5* 7 * 2* 2/ 22* 7* 7 = h

121/11 = h

h = 11 cm

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