document.write( "Question 846130: Find the missing variable for a cone.
\n" ); document.write( "r=9
\n" ); document.write( "L=?
\n" ); document.write( "SA=622.04
\n" ); document.write( "Equation for SA=PIr^2+PIrL
\n" ); document.write( "This is what I tried:
\n" ); document.write( "622.04=PI(9^2)+PI(9)(L)
\n" ); document.write( "622.04=PI(81)+PI(9)(L)
\n" ); document.write( "622.04=254.4690049+28.2733388(L)
\n" ); document.write( "622.04=282.7433388(L)
\n" ); document.write( "622.04/282.7433388=L
\n" ); document.write( "L=2.20001608 which was incorrect, because when I plug 2.2 into the equation I do not get 622.04 \n" ); document.write( "
Algebra.Com's Answer #509627 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi,
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document.write( "
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document.write( "r=9
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document.write( "L=?
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document.write( "SA=622.04
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document.write( "SA= \"pi%28r%5E2%2B+rL%29\"  Using \"pi+=+3.14\"
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document.write( "\"622.04%2F3.14+=9%5E2+%2B+9L\"
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document.write( "  (198.1 - 81)/9 = L = 13.0113
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document.write( "CHECKING our answer***
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document.write( "SA= \"pi%2Ar%5E2%2Bpi%2ArL\" = \"3.14%2A81+%2B+3.14%2A9%2A13.0113+=++622.04\"
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document.write( "Wish You the Best in your Studies.\r
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