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A Theorem about Two Tangent Circles
Let A and C be the centers of two tangent circles. Draw a line from a point E through the intersection of the two circles and let that line intersect the circles at B and D. Then AB is parallel to CD.
Contributed by:
Jay Warendorff
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For more information see
Two Touching Circles.
RELATED LINKS
Parallel
(
Wolfram
MathWorld
)
Tangent Circles
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
A Theorem about Two Tangent Circles
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/ATheoremAboutTwoTangentCircles/
Contributed by:
Jay Warendorff
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