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OpenStudy (pottersheep):

Uni level Calc help please. Applications of integration: Find the surface area of a torus with the radii r and R.

OpenStudy (pottersheep):

Sorry about the repost, I accidentally closed my last question.

OpenStudy (pottersheep):

Can someone tell me how to approach this problem?

ganeshie8 (ganeshie8):

you can set it up as a solids of revolution problem

ganeshie8 (ganeshie8):

|dw:1415571317132:dw|

ganeshie8 (ganeshie8):

spin that circle around y axis

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