Math, asked by sauj, 1 year ago

find the T.S.A of a cone whose radius is r /2 and slant height is 2l

Answers

Answered by ssanjith03
0

Answer:


Step-by-step explanation:

Radius of cone=r/2       Slant height of cone=2l

Total surface are of cone=π×r/2×2l+ π ×(r/2)²

=πrl+π×r²/4

=πr(l+r/4)



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