1. Find the volume $$(in cm^3)$$ of a right circular cone of diameter 7 cm and height 7 cm.





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  • By: anil on 05 May 2019 02.03 am
    Height of cone = $$h=7$$ cm and radius of cone = $$r=3.5$$ cm => Volume of cone = $$frac{1}{3} pi r^2h$$ = $$frac{1}{3} imesfrac{22}{7} imes (3.5)^2 imes7$$ = $$frac{22 imes12.25}{3}=89.83$$ $$cm^3$$ => Ans - (D)
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