2006 AMC 12A Problems/Problem 19
Revision as of 23:03, 10 July 2006 by Matt276eagles (talk | contribs)
Problem
An image is supposed to go here. You can help us out by creating one and editing it in. Thanks.
Circles with centers 
and 
have radii 
and 
, respectively. The equation of a common external tangent to the circles can be written in the form 
with 
. What is 
?
