Shauna is painting an emoji face mural, as shown.

The eyes are square with side lengths of 10
The mouth is three squares put together
The circle has a radius of 55

a. What is the area of the eyes and mouth, combined?
b. What is the area of the circle?
c. What is the area of the shaded region (the circle without the squares and rectangles?
d. If Shauna wants to glue a ribbon around the emoji's perimeter, how much ribbon would she need?