document.write( "Question 266711: a parallelogram has sides 8 and 12. the shorter altitude is 6. find the length of the other altitude
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Algebra.Com's Answer #195940 by Edwin McCravy(20056) $\"\"$ $\"About$

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document.write( "The two green lines are the altitudes. The shorter one is 6.\r\n" );
document.write( "The longer one is the unknown so it is labeled x.\r\n" );
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document.write( "Angle A = angle C because opposite angles of a parallelogram\r\n" );
document.write( "are equal in measure.\r\n" );
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document.write( "So both right triangles are similar and their sides are \r\n" );
document.write( "proportional, so therefore we have the proportion:\r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "Edwin

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