document.write( "Question 491945: find the width of a rectangle whose diagonal is 12cm and base is 4*radical*5 cm long \n" ); document.write( "
Algebra.Com's Answer #334898 by cleomenius(959)\"\" \"About 
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a^2 + b^2 = c^2
\n" ); document.write( "16*5 + b^2 = 144
\n" ); document.write( "80 + b^2 = 144
\n" ); document.write( "b^2 = 64
\n" ); document.write( "b = 8 cm = width
\n" ); document.write( "length = 4\"sqtr%285%29\" = approx 8.9.
\n" ); document.write( "8.9^2 + 8^2 = 12^2
\n" ); document.write( "79.2 + 64 = 143.2 Approx, this does check.
\n" ); document.write( "Cleomenius.
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