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Secant Intersection with Two Internally Tangent Circles
If two circles are internally tangent at point A and a secant intersects the circles at B, C, D, and E, then
BAD =
CAE.
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Contributed by:
Jay Warendorff
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Secant Line
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MathWorld
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PERMANENT CITATION
"
Secant Intersection with Two Internally Tangent Circles
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/SecantIntersectionWithTwoInternallyTangentCircles/
Contributed by:
Jay Warendorff
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