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he volume -crmcrved sustee |
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Answer» Volume of cylinder = (pie)r²hvolume of cylinder=5346 cm³height of cylinder =21 cm 5346cm³=22/7×r²×215346 cm² =22×r²×3r²=5346/(22×3)r²=81r=9 cmC.S.A of cylinder=2(pie)r²hCSA = 2×22/7×9×9×21CSA=110322 cm² |
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