You do this by calculating the area.
Area of the square = s^2
s = 2 + 2 = 4
s^2 = 16
Area of the circle = pi r^2
r = 2
pi = 3.14
P = 12.56 / 16 = 0.785
The percentage = 0.785 * 100% = 78.5%
9.4m questions
12.2m answers