Answer: Perimeter 210
Exclamation: I’m pretty sure you just have to multiply all the sides together
Hope this helps :3
Answer:
18%
Step-by-step explanation:
Percent change can be found using the following formula:

Original represents the initial cost where new represents the new cost. We multiply the answer by 100 to get the percentage:
= 18%
That would be the area of a circle of radius 12 miles
= pi r^2 = 452.4 square miles to nearest tenth.