Create a function that takes three numbers — the width and height of a rectangle, and the radius of a circle — and returns True if the rectangle can fit inside the circle, False if it can't.
rectangle_in_circle(8, 6, 5) ➞ True
rectangle_in_circle(5, 9, 5) ➞ False
rectangle_in_circle(4, 7, 4) ➞ False
N/A