Difference between revisions of "Internally tangent"

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Latest revision as of 03:14, 6 November 2020

In geometry, two circles are considered to be internally tangent if they are tangent to each other and the center of one is inside the other. If the radii of two internally tangent circles is $r_1, r_2$, then the distance of their centers to each other is $|r_1 - r_2|$.

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