document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99366>Question 99366</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534403921/algebrahomeworkh></A><BR>\n" );
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document.write( "We have a right triangle, the hypotanuse is R+4, one of the legs is R and one is 8. I get (4+r)^2=r^2+8^2 .. how do i solve this with out the r^2 canceling out? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72284 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=72284\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=r b=8 c=r+4<BR>\n" );
document.write( "a^2+b^2=c^2<BR>\n" );
document.write( "r^2+8^2=(r+4)^2<BR>\n" );
document.write( "r^2+64=r^2+8r+16<BR>\n" );
document.write( "subtract r^2+64 from both sides: 8r-48=0<BR>\n" );
document.write( "8r=48<BR>\n" );
document.write( "r=6<BR>\n" );
document.write( "a=6, b=8, c=10<BR>\n" );
document.write( "Ed </SPAN>\n" );
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