First, let's calculate the area of the rectangle. Find the distances between the length and the width. For the width we can use point A and point D.
(2, 2) and (20, 2)
20 - 2 = 18
So the width is 18 cm. Now find the length. We can use point A and point B.
(2, 2) and 2, 26)
26 - 2 = 24
So the length is 24.



So the area of the rectangle is 432 square centimeters, now let's find the area of the circle.
The radius is given as 15 cm. Use 3.14 to approximate for pi.




So the area of the circle is approximately 706.5 square centimeters. Subtract this area from the area of the rectangle to find the value of the shaded area.
There is nothing to solve for. You stated a constant function, where f(x) will always be 9.
Answer:
Gerard's blue section is larger.
Step-by-step explanation:
Eve divided her half into 6 equal sections and painted one section blue.
So, the blue-painted part will be of size
part of the whole poster.
Again, Gerard divided her half into 5 equal sections and painted one section blue.
So, the blue-painted part will be of size
part of the whole poster.
Now, since 12 > 10, so, 
Therefore, Gerard's blue section is larger. (Answer)