Question

A ray is a defined term because it

has no width or depth

is described using an undefined term

has an informal definition

travels forever in one direction

Answer 1

It can be described using two other undefined terms :- point & line Basically in geometry, only below are undefined terms :-
1) point
2) line
3) plane
all other terms are defined based on these
is described using an undefined term

Answer 2

so it would be b?

Answer 3

Yep!:)

Answer 4

thanks(: Can you help me with this question too?
Jamal wrote the following statements:

Statement 1: Perpendicular lines are two lines that intersect at 90° angles.

Statement 2: All right angles are congruent.

Which geometry term does each statement represent?

Statement 1: definition; Statement 2: theorem

Statement 1: postulate; Statement 2: definition

Statement 1: theorem; Statement 2: postulate

Statement 1: postulate; Statement 2: theorem