2. Find the total surface area of a cone, if its slant height is 21 m and diameter of its base is 24m
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2. Find the total surface area of a cone, if its slant height is 21 m and diameter of its base is 24m
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Step-by-step explanation:
Radius(r) = 12cm
Slant Height(l) = 21cm
T.S.A of cone = πr(l+r)
= 22/7*12(21+12)
= 1244.57cm^2
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