1. Find the curved surface area $$(in cm^2)$$ of a right circular cone of diameter 28 cm and slant height 12 cm.





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  • By: anil on 05 May 2019 02.03 am
    Radius of cone, $$r=14$$ cm and slant height, $$l=12$$ cm Curved surface area of cone = $$pi rl$$ = $$frac{22}{7} imes14 imes12$$ = $$44 imes12=528$$ $$cm^2$$ => Ans - (C)
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