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What is the total surface area of frustum of cone |
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Answer» Let the first radius be as \'r\'Let the second radius be as \'R\'Total surface area of cone = π{(r+R)l+ r^2+R^2} π(R+r)l+πR^2+πr^2 πl(R+r) + π(R^2 + r^2) ,where l = slant height, R and r are 2 radii of two bases. |
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