In general, x and y must satisfy (x - center_x)^2 + (y - center_y)^2 < radius^2.
Please note that points that satisfy the above equation with < replaced by == are considered the points on the circle, and the points that satisfy the above equation with < replaced by > are considered the outside the circle.
manpreet
Best Answer
3 years ago
If you have a circle with center
(center_x, center_y)and radiusradius, how do you test if a given point with coordinates(x, y)is inside the circle?