Math, asked by cuttiegirl2006, 9 months ago

From a solid cylinder of height 20 cm and diameter 12 cm , a conical cavity of height 8 cm and diameter 12 cm is hollowed out . Find T.S.A. of remaining solid.

Answers

Answered by umakhadse521

1

TSA=2πr(h+r)

=2*22/7*12(28+12)

=44/7*12*40

=528/7*40

=21120/7

=317.07

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