Circle Passing Through 3 Points
Through three distinct, non-collinear points, there passes one and only one circle.
Note: Collinear = lying on a single straight line
Use the GeoGebra tools to construct the circle passing through points A, B and C.
Try It Yourself...
Check Your Construction
Compare your construction with the one displayed in the app below.
Explorations
What happens if points A, B and C are collinear?
What happens if the points are not distinct?