Answer:
Final Answer 25.12
Step-by-step explanation:
This is very simple you can use two formulas to find the circumfrence of the circle. You can either use C=2πr or C=πd.
For this problem you will be using C=2πr since r is radius and the radius is 4.
C=2*3.14*4
C=6.28*4
C=25.12
Hope this helps.
The answer, is 2 1/9. subtract 1 7/7 from 3 1/2, and you'll get 2 1/2
(hope this helps)
Its 43 because between each number it has a pattern that is 9,13,6 then it repeats