A circle with center (0, 0) passes through the point (5, 12). How do you find the radius of the circle?
1 Answer
The radius is simply the distance from the center to the edge, and we can use Pythagoras' Theorem to calculate that for this circle the radius is
Explanation:
The radius is simply the distance from the center to the edge. We know the center is at
We can do this because
Taking the square root of both sides,