Answer:
A. 120 cm
Step-by-step explanation:
The circumference formula is C = π⋅d (or C = π ⋅ 2r).
If we divide 40 by 3.14, then we get about 12.74 (38.22 when tripled).
Use the formula to find the new circumference (C = 3.14 ⋅ 38.22)
The answer is about 120.01, so A is correct.
