document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=770777>Question 770777</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the radius of the circle between and tangent to the circles with these equations:\r<BR>\n" );
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document.write( "(x+1)^2 + (y-7)^2=1<BR>\n" );
document.write( "(x-6)^2 + (y-1)^2=1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #469965 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=469965\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the radius of the circle between and tangent to the circles with these equations: <BR>\n" );
document.write( "(x+1)^2 + (y-7)^2=1 <BR>\n" );
document.write( "(x-6)^2 + (y-1)^2=1<BR>\n" );
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document.write( "circle A with center at (-1,7)<BR>\n" );
document.write( "circle B with center at (6,1)<BR>\n" );
document.write( "circle C (in-between circle\r<BR>\n" );
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document.write( "Radius of circle C=(1/2)(distance between centers of circles A and B minus the sum of their radii)<BR>\n" );
document.write( "use distance formula:d=&#8730;(x1-x2)^2+(y1-y2)^2)<BR>\n" );
document.write( "=&#8730;(-1-6)^2+(7-1)/2)=&#8730;(49+36)=&#8730;85<BR>\n" );
document.write( "Radius of circle C=(1/2)(&#8730;85-2)&#8776;3.61 </SPAN>\n" );
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