document.write( "Question 1178374: find the surface area of a life preserver made in the form of a torus as shown below if the value of r = 3 and R =7. \n" ); document.write( "
Algebra.Com's Answer #807591 by ikleyn(53937)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "For the volume of the torus, find the formula under this link\r
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\n" ); document.write( "\n" ); document.write( "https://socratic.org/questions/how-do-you-use-an-integral-to-find-the-volume-of-a-solid-torus#:~:text=1%20Answer&text=If%20the%20radius%20of%20its,%CF%802r2R%20.\r
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