Question

how do you find the circumcircle of a triangle?

Answer 1

Circumcircle of a triangle

A circle which passes through all three verticesof a triangle
Also "Circumscribed circle".

Try this Drag the orange dots on each vertex to reshape the triangle. Note that the circumcircle always passes through all three points.

The circumcircle always passes through all threevertices of a triangle. Its center is at the point where all the perpendicular bisectors of the triangle's sides meet. This center is called the circumcenter. Seecircumcenter of a triangle for more about this.

Note that the center of the circle can be inside or outside of the triangle. Adjust the triangle above and try to obtain these