Question

what is the formula of area of frustum? ​

Answer 1

Total surface area of a conical frustum: A = π * (r12 + r22 + (r1 + r2) * s) = π * [ r12 + r22 + (r1 + r2) * √((r1 - r2)2 + h2) ]

Answer 2

Step-by-step explanation:

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