Question

James defines a circle as "the set of all the points equidistant from a given point." His statement is not precise enough

because he should specify that
O a circle includes its diameter
O the set of points is in a plane
O a circle includes its radius
O the set of points are collinear

Answer 1

The answer is c because a the radius of a circle is the length of the from it’s center to any point of it’s edge

Answer 2

I can confirm that it is: B, the set of points is in a plane

Explanation:

It is right.