document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=936623>Question 936623</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An isosceles triangle is inscribed in a circle. Find the radius of the circle if one leg of the triangle is 8 cm. with 45 degree to 45 degree -90 degree. Please help me :)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #570090 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=570090\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> radius(r) = hypotenuse(h) of right isosceles triangle / 2<BR>\n" );
document.write( "h^2 = 8^2 + 8^2<BR>\n" );
document.write( "h^2 = 64 + 64 = 128<BR>\n" );
document.write( "h = square root(128) = 11.31<BR>\n" );
document.write( "r = 11.31 / 2 = 5.655<BR>\n" );
document.write( "note.  To see how this works imagine a square inscribed in the circle and draw one of the squares diagonals, this gives us two inscribed isosceles right triangles, we need to work with just one of them.<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );