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Externally and Internally Tangent Circles
Internally Tangent Definition
The tangent line goes in between the two circles.
Externally Tangent
Has three lines in total. Two going on the outside and one going directly in between the two circles.
How many tangent lines does an intersecting circle have?
2
How many tangents does two internally tangent circles have?
1
How many tangent lines does a distinct concentric circle have?
0
Concentric Circles
two circles with the same center but different radi