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12 January, 18:28

A cone of radius 3cm and slant height 6cm is cut into four identical pieces. Calculate the total surface area of the four pieces.

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  1. 12 January, 18:58
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    Area of cone=3.14*9+3*6*3.14=27*3.14

    =84.78 cm^2 if we cut into four identical pieces we get two triangle surfaces also for 1 piece and and 1/4 of the original surface area = 21.195+15.588=36.783squarecm
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