document.write( "Question 756351: I need help with the following word problem:
\n" ); document.write( "The total surface area of a right circular cylinder is 54π square inches. If the altitude of the cylinder is twice the length of a radius, find the altitude of the cylinder.
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Algebra.Com's Answer #460146 by stanbon(75887)\"\" \"About 
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The total surface area of a right circular cylinder is 54π square inches. If the altitude of the cylinder is twice the length of a radius, find the altitude of the cylinder.
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\n" ); document.write( "Equations:
\n" ); document.write( "h = 2r
\n" ); document.write( "(pi)r^2 = 54(pi)
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\n" ); document.write( "r^2 = 54
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\n" ); document.write( "r = 3sqrt(6) inches
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\n" ); document.write( "h = 2r = 6sqrt(6) inches
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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