Question

What is the name of the segment inside the large triangle?

Answer 1

Altitude: Segment from a vertex of a triangle that is perpendicular to the opposite side. This segment may be inside the triangle, on the triangle, or outside the triangle. Pictured below are the altitudes (represented as black segments) of acute, right, and obtuse triangles.

Explanation:

Answer 2

I’m pretty sure it’s the altitude