document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1123998>Question 1123998</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One of diagonals of a parallelogram is its altitude. What is the length of this altitude, if its perimeter is 50 cm, and the length of one side is 1 cm longer than the length of the other? </SPAN>\n" );
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document.write( "If the perimeter is 50 and one side is 1cm longer than the other, then the side lengths are 12 and 13.<br><BR>\n" );
document.write( "Then the diagonal that is an altitude divides the parallelogram into two right triangles each with one leg 12 and hypotenuse 13.<br><BR>\n" );
document.write( "Since 5-12-13 is a Pythagorean Triple, the length of the diagonal is 5. </SPAN>\n" );
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