The incenter of a triangle is the point of concurrency between the angle bisectors of the triangle.

Centroid

The centroid of a triangle is the point of concurrency between the medians of the triangle.

Circumcenter

The circumcenter of a triangle is the point of concurrency between the perpendicular bisectors of the sides of the triangle.

Orthocenter

The orthocenter of a triangle is the point of concurrency between the altitudes of the triangle.

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