document.write( "Question 1011584: What is the approximate length? \n" ); document.write( "
Algebra.Com's Answer #627306 by josgarithmetic(39799)\"\" \"About 
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Small upper triangle and the main triangle are similar.\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28AD%2FAB=ED%2FCB%29\"\r
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\n" ); document.write( "\n" ); document.write( "ED and CB are given, but AD is only given as cartesian coordinates.\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28%284-1%29%5E2%2B%28-3-%28-1%29%29%5E2%29%2FAB=3%2F9\"\r
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\n" ); document.write( "\n" ); document.write( "Simplify and solve for AB.
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