Find the total surface area of a cone whose radius is r/2 units and slant height is 2 l units.
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TSA of cone = πR(R+L)
R = radius of base of cone
L = slant height of cone
Hope this helps, and ask if you have any doubt at any step.
R = radius of base of cone
L = slant height of cone
Hope this helps, and ask if you have any doubt at any step.
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