1. there are quotes and they are talking past tense on one singular person
Answer:
20π m or 62.83 m
Explanation:
The formula for Circumference is C = 2πr
All you need to find for the formula is the radius, which is half of the diameter.



Then plug the radius into the formula and solve for Circumference


or 
Answer:
You just need to go into your settings.......Of this app......