1. Find the surface area $$(in cm^2)$$ of a sphere of diameter 14 cm.





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  • By: anil on 05 May 2019 02.04 am
    Radius of sphere, $$r=7$$ cm Surface area of sphere = $$4pi r^2$$ = $$4 imesfrac{22}{7} imes(7)^2$$ = $$88 imes7=616$$ $$cm^2$$ => Ans - (A)
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