Amusement Park
Draw a triangle connecting all 3 vertices.
![Draw a triangle connecting all 3 vertices.](https://beta.geogebra.org/resource/FnTpd6kd/J2H4cdpaUyisAxtM/material-FnTpd6kd.png)
Construct the perpendicular bisectors if you want the circumcenter to put a circle outside the triangle. Construct the angle bisectors if you want the incenter to put a circle inside the triangle.
![Perpendicular bisector, click on the sides.
Angle bisector, click on 3 vertices with the angle you want bisected in the center.](https://beta.geogebra.org/resource/cKKBeEvP/MAlLA2sWxjeoTabf/material-cKKBeEvP.png)
Construct the circle.
![Construct the circle.](https://beta.geogebra.org/resource/SUYpGu4V/symyN2ZAqdhT85h8/material-SUYpGu4V.png)