document.write( "Question 34876: A 15ft ladder is leaning against a buliding. If the bottom of the ladder is 9ft from the base of the building, how high does the ladder reach?\r
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document.write( "I got 17.49 I'm not sure if it's right. \n" );
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Algebra.Com's Answer #21101 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A 15ft ladder is leaning against a buliding. If the bottom of the ladder is 9ft from the base of the building, how high does the ladder reach?\r \n" ); document.write( "\n" ); document.write( "Draw the picture: \n" ); document.write( "The ladder is the hypotenuse of a right triangle. \n" ); document.write( "The 9 ft. is one of the sides. \n" ); document.write( "Let the height the ladder reaches be \"x\". \n" ); document.write( "EQUATION: \n" ); document.write( " x^2+9^2=15^2 \n" ); document.write( " x^2=144 \n" ); document.write( " x=12 ft. (the ladder reaches 12 ft. up the wall) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |