Question

What is the radius of the circle with equation (x + 1/5) ^ 2 + (y - 2/5) ^ 2 = 1/25

Answer 1

1/5

Explanation:

In the circle equation shown, the 1/25 all by itself on the right side of the equation is r^2.

r^2 = 1/25

Squareroot both sides.

r = 1/5