Question

1. the point of concurrency of the three medians of a triangle is called the what?

origin
orthocenter
circumcenter
centroid

Explanation:

To solve this, we recall triangle center definitions:

• Origin: A coordinate system's starting point (not a triangle center).
• Orthocenter: Concurrency of altitudes.
• Circumcenter: Concurrency of perpendicular bisectors.
• Centroid: Concurrency of medians (divides medians in 2:1 ratio).

Answer:

D. centroid