Question

points that lie on the same plane. *
choose
ab + bc = ac *
choose
a line that extends indefinitely in one direction. *
choose

Explanation:

1. Points that lie on the same plane are called coplanar points.
2. The equation AB + BC = AC represents the segment - addition postulate which holds when points A, B, and C are collinear.
3. A line that extends indefinitely in one direction is a ray.

Answer:

1. Coplanar points
2. Segment - addition postulate
3. Ray