can you tell me what is area of a frustrum???
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3
Answer:
The curved surface area of the frustum of the cone = π(R+r)l1.
The total surface area of the frustum of the cone = π l1 (R+r) +πR2 +πr2.
The slant height (l1) in both the cases shall be = √[H2 +(R-r)2]
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1
Answer:
Π(R +r) √(R -r)^2 + h^2).
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