document.write( "Question 176129: A triangle has vertices S(0,7), E(5,-6), and T(10,7). Find the length of the altitude to the shortest side. \n" ); document.write( "
Algebra.Com's Answer #131401 by Edwin McCravy(20059)\"\" \"About 
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A triangle has vertices S(0,7), E(5,-6), and T(10,7). Find the length of the altitude to the shortest side.
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document.write( "The altitude is a vertical line through E, so it has to \r\n" );
document.write( "have the same x-coordinate as E, that is, 5, and it is on \r\n" );
document.write( "the same level as S and T, so it has the same y-coordinate\r\n" );
document.write( "as S and T, that is, 7.  \r\n" );
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document.write( "So we draw in the altitude EA(5,7):\r\n" );
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document.write( "So the altitute extends 6 units below the x-axis and 7\r\n" );
document.write( "units above the x-axis, so the altitude EA is 6+7 or 13 \r\n" );
document.write( "units in length\r\n" );
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document.write( "Edwin
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