Question

total surface area of a cone of radius r/2 slant height is 2h is​

Answer 1

Surface area of cone= πr (l+r)

r=2m

l=2m

πr(l+r)

22/7×2(2+2)

22/7+×2×4

22/7×8=25.08m^2 approx.

Hope it helps you