document.write( "Question 244797: A stuntman built a ramp in a shape of a right triangle. If The Base of the ramp is 12 feet long, and the length of the incline is 6 feet longer then the height, then what is the height of the ramp? \n" ); document.write( "
Algebra.Com's Answer #178970 by richwmiller(17219)\"\" \"About 
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A stuntman built a ramp in a shape of a right triangle. If The Base of the ramp is 12 feet long, and the length of the incline is 6 feet longer then the height, then what is the height of the ramp?
\n" ); document.write( "a^2+b^2=c^2
\n" ); document.write( "12^2+b^2=(b+6)^2\r
\n" ); document.write( "\n" ); document.write( "use FOIL
\n" ); document.write( "multiply first terms. b*b=b^2
\n" ); document.write( "multiply outer terms b*6
\n" ); document.write( "multiply inner terms 6*b
\n" ); document.write( "add together=12b
\n" ); document.write( "multiply last terms 6*6=36
\n" ); document.write( "144+b^2=(b+6)(b+6)=b^2+12b+36\r
\n" ); document.write( "\n" ); document.write( "subtract b^2 from both sides.
\n" ); document.write( "144=12b+36
\n" ); document.write( "108=12b
\n" ); document.write( "9 ft =b=height
\n" ); document.write( "check
\n" ); document.write( "144+81=15^2=225\r
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