document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1061647>Question 1061647</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bicycle chain fits tightly around two gears.What is te distance between the centers of the gears if the radii of the bigger and smaller gears are 9.3 inches and 2.4 inches,respectively,and the portion of the chain tangent to the two gears is 26.5 inches long? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #676421 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52803)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=676421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "<U>Answer</U>. &nbsp;d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%289.3-2.4%29%5E2+%2B+26.5%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%289.3-2.4%29%5E2+%2B+26.5%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%286.9%5E2+%2B+26.5%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%286.9%5E2+%2B+26.5%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 27.38 in &nbsp;&nbsp;&nbsp;&nbsp;(approximately).\r<BR>\n" );
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document.write( "See the figure in the lesson\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=>HOW TO construct a common exterior tangent line to two circles</A>\r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "The figures and the formula explain everything without words.\r<BR>\n" );
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document.write( "The Pythagorean theorem is used, as well as the property \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"If a tangent line is drawn to the circle, then the radius of the circle to the tangent point is perpendicular to the tangent line\".\r<BR>\n" );
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document.write( "O ! One more property is used: The two perpendiculars to a straight line are parallel.\r<BR>\n" );
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document.write( "Shortly, if you know basic elementary facts of Geometry, you will be able to reconstruct the solution (the arguments) in your mind.\r<BR>\n" );
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document.write( "Also, &nbsp;you have this free of charge online textbook on Geometry\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;<A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson>GEOMETRY - YOUR ONLINE TEXTBOOK</A> \r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "The referred lesson is the part of this textbook under the topic\r<BR>\n" );
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document.write( "\"<U>Properties of circles, inscribed angles, chords, secants and tangents</U>\".\r<BR>\n" );
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document.write( " </SPAN>\n" );
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