document.write( "Question 478555: Lorrie Morgan places a 29 ft ladder against the side of a building with the bottom of the ladder 20 ft away from the building How high up on the wall does the ladder reach?\r
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Algebra.Com's Answer #327935 by wilft1(217)\"\" \"About 
You can put this solution on YOUR website!
a^2+b^2=c^2\r
\n" ); document.write( "\n" ); document.write( "a^2+400=841\r
\n" ); document.write( "\n" ); document.write( "-400 -400\r
\n" ); document.write( "\n" ); document.write( "a^2=441\r
\n" ); document.write( "\n" ); document.write( "a=21\r
\n" ); document.write( "\n" ); document.write( "THE LADDER GOES 21 FEET UP THE WALL
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