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The circle with center A and radius 10 and the circle with center B and radius 9 are externally tangent. A line that is externally tangent to both circles is drawn, where both circles lie on the same side of the line . This common tangent intersects line AB at C. Find the length BC.

 May 8, 2021
 #1
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Here's  an  approach  to  the  same problem......only  the  numbers  are changed.......see if it helps

 

 https://artofproblemsolving.com/wiki/index.php/2012_AMC_10A_Problems/Problem_11

 

 

cool cool cool

 May 8, 2021

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