What is considered one of the undefined terms of geometry?
a.) angle
b.) circumference
c.) line
d.) ray

"Line" is the one among the following choices given in the question that is considered as one of the undefined terms of geometry. The correct option among all the options that are given in the question is the penultimate option or option "C". I hope that this is the answer that has come to your desired help.

Cis your correct answer