Math, asked by tilakopandey, 1 year ago

Find the total surface area of a cone whose radius is r/2 and slant height is 2l.

Answers

Answered by ayan98542

14

total surface area

= πrl + πr²

=π*r/2*2l + π(r/2)²

=πrl + πr²/4

=πr(l+r/4)

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