document.write( "Question 460076: 2 cars are on the 2 staright roads which cross at right angle. If the cars are 20m and 99m from the intersection, how far apart are they? \n" ); document.write( "
Algebra.Com's Answer #315553 by mananth(16946)\"\" \"About 
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One car 9m
\n" ); document.write( "another car 22m
\n" ); document.write( "distance between them x m
\n" ); document.write( "By Pythagoras theorem
\n" ); document.write( "Hypotenuse^2 = Leg1^2+leg2^2
\n" ); document.write( "\"+x%5E2%09=9%5E2%2B22%09%5E2\"
\n" ); document.write( "x ^2=81+484
\n" ); document.write( "x ^2=565
\n" ); document.write( "\"+sqrt%28x%5E2%29=sqrt%28565%29\"
\n" ); document.write( "x= 23.77 m
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