Question

1. what are the undefined terms in geometry? (choose all that apply) ray line perpendicular angle complementary midpoint

Explanation:

In geometry, the three undefined terms are point, line, and plane. Among the given options, line is an undefined term. Ray is defined in terms of a line - it is part of a line with one endpoint. Perpendicular, angle, complementary, and midpoint are all defined using the basic undefined terms.

Answer:

Line