Circle Touching 3 Points
How to construct a Circle touching 3 Points
using just a compass and a straightedge
images/construct.js?mode=circle3pts
Steps:
- Join up the points to form two lines
- Construct the perpendicular bisector of one line
- Construct the perpendicular bisector of the other line
- Where they cross is the center of the circle
- Place compass on the center point, adjust its length to reach any point, and draw your circle!
Note: this is the same method as Circumscribe a Circle on a Triangle