Three Points Determine a Circle

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Three noncollinear points determine a circle. In this Demonstration, you can drag up to ten points that determine all the circles that pass through any subset of three points. Use
+click
to add or remove locators.

External Links

Circle (Wolfram MathWorld)

Permanent Citation

Ed Pegg Jr
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​"Three Points Determine a Circle"​
​http://demonstrations.wolfram.com/ThreePointsDetermineACircle/​
​Wolfram Demonstrations Project​
​Published: January 11, 2008