Math, asked by 15jasminesindhu, 1 year ago

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

Answers

Answered by 8171402510

2

Use this formula.... πrl+πr^2

Answered by vempatiavinash01

2

Answer:

T. S. A of cone =πr(r+1)

put, value =πr/2(r/2+21)

=πr/2(r+41) /2

=(πr^2+4πr1) /4

I HOPE THAT HELP TO YOU

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