Question

What is the radius of the circle?

Answer 1

2

Explanation:

1. The radius is a segment that connects the center of a circle to its edge.

2. The radius is also half of the diameter, which is a chord that stretches from one edge to another, while also crossing the center.

3. The diameter in this circle is 4, and therefore the radius is 2.

Answer 2

2

Explanation:

You can see on the graph that from center to edge the radius measures 2 units.