The value of 2 pi

is between which pair of numbers?
Answer options with 5 options
A.

2.1
and 2.5

B.

3.1
and 3.5

C.

5.1
and 5.5

D.

6.1
and 6.5

E.

9.1
and 9.5

The value of 2 pi is approximately 6.28.

Therefore, the pair of numbers between which 2 pi lies is option D.
So, the correct answer is D. 6.1 and 6.5.