9478
EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Three Touching Circles on a Line
The radius of the middle circle (purple) of three circles all touching each other and a line is given by a formula in terms of the radii of the two outside circles. Drag the points to vary the outside circles.
Contributed by:
Noel Patson
THINGS TO TRY
Drag Locators
Automatic Animation
SNAPSHOTS
DETAILS
Idea taken from
Sangaku
.
RELATED LINKS
Tangent Circles
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Three Touching Circles on a Line
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/ThreeTouchingCirclesOnALine/
Contributed by:
Noel Patson
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
Problems on Circles XIV: Bisecting the Circumference of Three Circles with a Circle
Jaime Rangel-Mondragon
Lattice Circles
Ed Pegg Jr
Overlapping Circles
Simon Tyler
A Chain of Tangent Circles
Jaime Rangel-Mondragon
Circle of Disks
Michael Schreiber
No-Three-in-Line Problem
Ed Pegg Jr
Running Circles around Circles
Denis Shubleka
Three Hinged Dissections of Squares
Izidor Hafner
Through Any Three Points
Mark D. Normand
Triangle Circles and Spirals
Sándor Kabai
Related Topics
Plane Geometry
Recreational Mathematics
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+