Math, asked by malikasagitarias, 1 year ago

a beam 9 m long, 40 cm wide and 20 cm high is made up of iron which has density 50 g per cubic centimeter. then find the mass of the beam in kg

Answers

Answered by MADHANSCTS
0
volume of beam = lbh
volume of beam = 900×40×20 = 7240000cm³
density = 50 g /cm³
mass = density × volume = 50 × 7240000 = 362000000 gm = 362000 kg
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