document.write( "Question 367358: Solve the problem. Use 3.14 as an approximation for where appropriate.
\n" ); document.write( "A cylindrical drain pipe is 7 inches across the top and about 12 inches high. How many cubic
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Algebra.Com's Answer #261870 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Since the diameter is \"d=7\", the radius is \"r=d%2F2=7%2F2=3.5\". So \"r=3.5\"\r
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\n" ); document.write( "\n" ); document.write( "\"V=pi%2Ar%5E2%2Ah\" Start with the volume of a cylinder formula.\r
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\n" ); document.write( "\n" ); document.write( "\"V=pi%2A%283.5%29%5E2%2812%29\" Plug in \"r=3.5\" and \"h=12\".\r
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\n" ); document.write( "\n" ); document.write( "\"V=%283.14%29%283.5%29%5E2%2812%29\" Replace \"pi\" with \"3.14\" (note: Use more digits of \"pi\" to get better accuracy).\r
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\n" ); document.write( "\n" ); document.write( "\"V=%283.14%29%2812.25%29%2812%29%29\" Square \"3.5\" to get \"12.25\".\r
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\n" ); document.write( "\n" ); document.write( "\"V=461.58\" Multiply \"3.14\", \"12.25\" and \"12\" to get \"461.58\" (this value is approximate).\r
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\n" ); document.write( "\n" ); document.write( "So the volume is approximately 461.58 cubic inches. \r
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\n" ); document.write( "\n" ); document.write( "So the pipe can hold approximately 461.58 cubic inches of water.
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