0
Wiki User
That's the equation of a circle with its center at the origin and a radius of 8.
8
7
X2 or 2 times x?
Type your answer here. Find the radius for a circle with the equation x2 plus y2 equals 9? ..
4
3
9
Radius = 1111
x2 +y2 = R2 =16 = radius 2 R = 4