1. If the curved surface area of a right circular cone is 3080 sq cm and its slant height is 35 cm, find its total surface area?
Write Comment
Comments
By: anil on 05 May 2019 02.10 am
Let radius of the cone = $$r$$ cm and slant height, $$l = 35$$ cm Curved surface area of cone = $$pi r l = 3080$$ => $$frac{22}{7} imes r imes 35 = 3080$$ => $$22 imes 5 imes r = 3080$$ => $$r = frac{3080}{110} = 28$$ $$ herefore$$ Total surface area of cone = $$pi r l + pi r^2$$ = $$3080 + frac{22}{7} imes (28)^2$$ = $$3080 + 2464 = 5544 cm^2$$ => Ans - (C)
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use