write the formula to find the CSA of the frustum of cone whose radii is r1 and r2 and slant height is l
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Step-by-step explanation:
The Curved Surface Area (CSA) of the frustum of a cone is: = pi * l(R + r) where the (r) stands for = radius of the smaller circle and (R) stands for = radius of the bigger circle and the (l) = slant height of the frustum.
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