Question

This circle is centered at the origin, and the length of it’s radius is 4. What is the equation of the circle?

Answer 1

The circle is centered at the origin (0,0).

The length of it’s radius is 5.

The equation of the circle is

→(x-0)²+(y-0)²=5²

→x²+y²=25

Answer 2

x^2 + y^2 = 16

Explanation: