Question

Really need help on this timed

Answer 1

10

Explanation:

The radius is the length of the edge of the circle to the center of the circle

Looking at your graph, the edge of the circle is 10 units to the center of the circle,

so the diameter is 20 while the radius is 10 units

Answer 2

10 units

Explanation:

The distance from the point (0,0) to (10,0) is 10 units