Find the total surface area of a cone whose radius is r/2 and slant height is 2l
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curved surface area=pi×radius×slant height=pi×r/2×2l=pi×rl
area of base=pi×radius^2=pi×(r^2/4)
tgus total surface area=pi×r×(l+(r/4))
area of base=pi×radius^2=pi×(r^2/4)
tgus total surface area=pi×r×(l+(r/4))
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