Question

defining terms
instruction active
defining terms based on undefined
three undefined terms in mathematics:
i. point
ii. line
iii. plane
the mathematical undefined term(
the mathematical term perpendicular lines explicitly uses the undefined term(s)
the mathematical term line - segment explicitly uses the

Explanation:

In geometry, perpendicular lines are defined in terms of angles formed between lines. A line is an undefined term. Perpendicular lines are two lines that intersect at a right - angle. The concept of a line is fundamental in defining perpendicular lines. Points and planes are not directly used in the explicit definition of perpendicular lines.

Answer:

II only