Answer:
2.78 radians or 159.36°
Explanation:
Givens:



refers to the length of the circumference, which is the same distance rolled.
So, to find the angle, we have to use this definition:
; which is the relation between arc, angle and length.
Before, replacing all values, we have to transform 13 inches in feet. We know that 1 feet is 12 inches. So,

Now, we find the angle.

Therefore, the angle is 2.78 radians.
To have it in degrees, we have to transform.
