Question

fill in the blank. the __ of a triangle intersected at the circumcenter. the of a triangle intersected at the in - center. the of a triangle intersected at the centroid. the __ of a triangle intersected at the orthocenter.

Explanation:

The centroid is the intersection of the medians, the in - center is the intersection of the angle bisectors, the circum - center is the intersection of the perpendicular bisectors of the sides, and the ortho - center is the intersection of the altitudes of a triangle.

Answer:

The medians; the angle bisectors; the perpendicular bisectors of the sides; the altitudes