10392
EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Tangent Circles and Parallel Diameters
Let two circles with diameters BC and DE be tangent at point A. If BC || DE, then A, C, and E are collinear.
Contributed by:
Jay Warendorff
After work by:
Antonio Gutierrez
THINGS TO TRY
Drag Locators
SNAPSHOTS
DETAILS
The statement of the theorem is in
Archimedes Book of Lemmas: Proposition 1
.
RELATED LINKS
Collinear
(
Wolfram
MathWorld
)
Parallel
(
Wolfram
MathWorld
)
Tangent Circles
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Tangent Circles and Parallel Diameters
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TangentCirclesAndParallelDiameters/
Contributed by:
Jay Warendorff
After work by:
Antonio Gutierrez
Share:
Embed Interactive Demonstration
New!
Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site.
More details »
Download Demonstration as CDF »
Download Author Code »
(preview »)
Files require
Wolfram
CDF Player
or
Mathematica
.
Related Demonstrations
More by Author
Tangent Points on a Semicircle
Jay Warendorff
Inscribed and Central Angles in a Circle
Jay Warendorff
A Lemma of Archimedes about a Bisected Segment
Jay Warendorff
The See-Saw Lemma
Jay Warendorff
Areas of the Lens and Two Lunes of Two Intersecting Circles
Tomas Garza
Salinon
Michael Schreiber
Thales' Theorem
Michael Schreiber
Perpendiculars to a Chord
Jay Warendorff
Ptolemy's Theorem
Jay Warendorff
Doubling a Distance with a Compass
Michael Schreiber
Related Topics
Greek Mathematics
Plane Geometry
Browse all topics
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+