TSR because if u look at the lines of where their similar on the second one you match it up
This is the equation. Try it for yourself and see if it works.
C= n x 4
Circumference of a circle = 2πr
C = 2π(4)
C = 8π
C = 8 * 3.14 = 25.12
In short, Your Answer would be 25.12
Hope this helps!