The area of the shaded region is
we know that
The area of the shaded region is the area outside the square and inside the circle
The shaded area is equal to the area of circle minus the area of the square
----> the radius is half the diameter
---> the length side of the square
73-22=51 the mass number minus the amount of protons gives you the amount of neutrons
answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.
The fiqure shown was created by placing the vertage of a square within the circle....