I know this question is pretty easy; however, two of the answers look the same to me. Therefore, I just wanted another opinion. Thank you in advance!

Question

Question:
What is the definition of a circle?

A. A circle is the set of all points in a plane that are a given distance from a given line.

B. A circle is the set of all points in a plane that are the same distance from a fixed point called the center. (80% sure it's this one)

C. A circle is the distance from a set of points to a fixed point called the center.

D. A circle is a set of all points that are the same distance form a fixed point called the center. (95% sure it's this one)

I'm tied between B and D, any thoughts?

Answer 1

go with B
D is a sphere

Answer 2

I see! Thank you for your help, Steve!

Answer 3

sometimes you need to think outside the ball!