Question 1061049
.
A bicycle chain fits tightly around two gears.What is the 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?
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<pre>
Distance between the centers = {{{sqrt((9.2-2.4)^2 + 26.5^2)}}} inches.
</pre>

See the lesson 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/geometry/HOW-TO-construct-a-common-exterior-tangent-line-to-two-circles.lesson>HOW TO construct a common exterior tangent line to two circles</A> 

in this site.


Also, &nbsp;you have this free of charge online textbook on Geometry

&nbsp;&nbsp;&nbsp;&nbsp;<A HREF=https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson>GEOMETRY - YOUR ONLINE TEXTBOOK</A> 

in this site.


The referred lesson is the part of this online textbook under the topic "<U>Properties of circles, inscribed angles, chords, secants and tangents</U>".