1. Volume of a cube is 512 cubic cm, find its total surface area? (Take π = 22/7)
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By: anil on 05 May 2019 02.13 am
Let side of cube = $$a$$ cm => Volume of cube = $$(a)^3=512$$ => $$a=sqrt[3]{512}=8$$ cm $$ herefore$$ Total surface area of cube = $$6a^2$$ = $$6(8)^2 = 6 imes 64 = 384$$ $$cm^2$$ => Ans - (C)
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