document.write( "Question 112644: Ladder Height.
\n" ); document.write( "A 10-m ladder is leaning against a building. The bottom of the ladder is 5m from the builder. How high is the top of the ladder?
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Algebra.Com's Answer #82125 by edjones(8007)\"\" \"About 
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a^2+b^2=c^2
\n" ); document.write( "a^2+5^2=10^2
\n" ); document.write( "a^2+25=100
\n" ); document.write( "a^2+25-25=100-25
\n" ); document.write( "a^2=75
\n" ); document.write( "a=sqrt(75) sqrt of both sides
\n" ); document.write( "a=sqrt(25*3)
\n" ); document.write( "a=5sqrt(3) m or 8.66... m
\n" ); document.write( "Ed
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