write the formula to find the total surface area of a frustum of cone​

1 thought on “write the formula to find the total surface area of a frustum of cone​”

1. Answer:

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   TSA of frustum= πl(R + r) + π(R² + r²)

   • r = radius of smaller circle

   • R = radius of bigger circle

   • l = slant height of frustum.

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