Please help me, I will give brainliest and Ill give 15 points. PLEASE HELP ASAP!!!!!!!!!!!!

Answer:
Formula: C = 2πr
Substitute: C = 2 × 3.14 × 4
Solve: 2 × 3.14 × 4
8 × 3.14
= 25.12
In terms of pi: 4π²
Circumference: 25.12
Step-by-step explanation:
Hope this helps dude