Euclid's Elements - Book III, Proposition 11

If two circles are internally tangent, then the line that passes through both of their centers will also include the point of tangency of the circles.

 

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Resource Type
Activity
Tags
circle  element  euclid 
Target Group (Age)
15 – 18
Language
English (United States)
 
 
GeoGebra version
4.2
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