Question

How do you find the polynomial for the shaded area of a cirle thhad a radius of r and the measurement from the center to the edge of the shaded area is 5

Answer 1

That area is the difference between the larger circle and the smaller circle:
\[A(x)=\pi r^2-25\pi\]
:D

Answer 2

Thank you so much. My book didn't show it at all and I was all kinds of confused.

Answer 3

No problem. :D