How much fencing is needed to enclose a circular pond with diameter 12.5 feet?(Im confused please help)

Question

37.5 feet

19.625 feet

78.5 feet

39.25 feet

Answer 1

recall that the circumference of a circle of diameter d is

C = πd

Answer 2

What is the darn answer

Answer 3

1 a
2c
3d
4b
5d

100 corect

Answer 4

answer!!!

Answer 5

Uwu