document.write( "Question 1113911: the base of a 20 foot ladder is 15 ft from the house. how far up the house does the ladder reach \n" ); document.write( "
Algebra.Com's Answer #728955 by rothauserc(4718)\"\" \"About 
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let h be how far up the house the ladder reaches
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\n" ); document.write( "15^2 + h^2 = 20^2
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\n" ); document.write( "225 + h^2 = 400
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\n" ); document.write( "h^2 = 175
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\n" ); document.write( "h = 13.23
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\n" ); document.write( "the ladder reaches 13.23 feet up the house
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