The area of the shaded sector is one-fourth of the area of the whole circle so:

area of shaded region

The area of the shaded region is 9pi units^2
Answer: each pen costed him 2 dollars
Explanation: 24 - 10 = 14
14 / 7 = 2 $ per each pen
Answer:
relate the values and find the correct answer
Answer: The new acreage of the park is 218,533.
Step-by-step explanation:
Since we have given that
Original acreage = 125,000
Expanded boundary by = 93,533 acres
We need to find the new acreage of the park.
so,we will use

Hence, The new acreage of the park is 218,533.
Wheres the rest of the problem? or is this it?