Difference between revisions of "Common internal tangent line"
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Latest revision as of 12:09, 20 July 2024
A common internal tangent of two circles is a tangent of both circles that intersects the segment joining the centers of two circles.
Problems
Introductory
- Circles with centers
and 
have radii 3 and 8, respectively. A common internal tangent intersects the circles at 
and 
, respectively. Lines 
and 
intersect at 
, and 
. What is ?
and 
have 
and 
, respectively. 
and 
intersect at 
, and 
. What is 
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