Circumscribe a Circle on a Triangle

How to Circumscribe a Circle on a Triangle
using just a compass and a straightedge

Steps:

  • Construct the perpendicular bisector of one side of triangle
  • Construct the perpendicular bisector of another side
  • Where they cross is the center of the Circumscribed circle
  • Place compass on the center point, adjust its length to reach any corner of the triangle, and draw your Circumscribed circle!

Note: this is the same method as Construct a Circle Touching 3 Points