document.write( "Question 1111548: A side and a longer diagonal of rhombus measure 100 m and 160 m respectively.
\n" ); document.write( "a. Find the length of the shorter diagonal.
\n" ); document.write( "b. Find the area of the rhombus.
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Algebra.Com's Answer #726792 by mananth(16946)\"\" \"About 
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ODC is a right triangle
\n" ); document.write( "CD is the hypotenuse\r
\n" ); document.write( "\n" ); document.write( "100^2 = 80^2+OC^2\r
\n" ); document.write( "\n" ); document.write( "OC^2= 100^2-80^2\r
\n" ); document.write( "\n" ); document.write( "OC^2 = 3600\r
\n" ); document.write( "\n" ); document.write( "OC =60\r
\n" ); document.write( "\n" ); document.write( "shorter diagonal = 2*60 =120\r
\n" ); document.write( "\n" ); document.write( "Area of rhombus = 1/2 * product of diagonals\r
\n" ); document.write( "\n" ); document.write( "= 1/2 * 120 *160
\n" ); document.write( "=9600 m^2
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