Question

Please help :/

20 POINTS

Answer 1

25.1 is the answer hope this helps

Answer 2

25.1!

Explanation:

all you have to do is C=2πr=2·π·4≈25.13274

To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

Hope that helped! :)