a blacksmith,Sujan made a pillar which consist of cylinder portion2.8 metre high and 20 centimetre in diameter and A cone 4.2 centimetre high is surmounted it. find the weight of the pillar,if 1 centimetre cube of iron weight 7.5 gram
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Height of cylinder = 2.8 m = 280 cm
Volume of pillar = volume of cylinder + volume of cone
= π x 10² x 280 + 1/3 x π x 10² x 4.2
= 88,000 + 440
= 88,440 cm³
Weight = 88,440 x 7.5 = 663,300 g = 663.3 kg
Volume of pillar = volume of cylinder + volume of cone
= π x 10² x 280 + 1/3 x π x 10² x 4.2
= 88,000 + 440
= 88,440 cm³
Weight = 88,440 x 7.5 = 663,300 g = 663.3 kg
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OM NAMAH SHIVAAY
OM NAMAH SHIVAAY
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