# Circumscribe a Circle on a Triangle

How to Circumscribe a Circle on a Triangle

using just a compass and a straightedge

**Circumscribe**: To draw on the outside of, touching as many points as possible (in this case all three corners of the triangle).

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