Question

A wooden cylindrical pole is 7m high and its Base radius is 10cm find its weight if the wood weigh 225 kg per cubic metre

Answer 1

Volume = Pi * r^2 * hVolume = Pi * 0.1^2 * 7Volume = 0.22 m^3

Weight = 0.22 * 225
Weight = 49.5 kg

is it fine??