document.write( "Question 122303: Please can you help me with this one?\r
\n" ); document.write( "\n" ); document.write( "The base of a 30-foot ladder is 10 feet from a building. If the ladder reaches the flat roof, how tall is the building?
\n" ); document.write( "

Algebra.Com's Answer #89790 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
YU HAVE A RIGHT TRIANGLE WITH AN HYPOTENUSE=30FEET & 1 BASE=10 FEET.
\n" ); document.write( "THE OTHER SIDE WE CALL A.
\n" ); document.write( "A^2+10^2=30^2
\n" ); document.write( "A^2+100=900
\n" ); document.write( "A^2=900-100
\n" ); document.write( "A^2=800
\n" ); document.write( "A=SQRT800
\n" ); document.write( "A=28.28 FEET IS THE HEIGHT OF THE BUILDING.
\n" ); document.write( "
\n" );