Question

Please answer this correctly

Answer 1

Answer:

25.13 mm is the circumfrence, I believe.. Been a while since I've worked with this

Step-by-step explanation:

Answer 2

Answer:

14.28 mm

Step-by-step explanation:

Find the circumference if it were a normal circle, then divide it by 4.

C = 2$\pi$r

C = 2$\pi$(4)

C = 8$\pi$

Divide it by 4

2$\pi$ + 4 + 4 = 14.28