Respuesta :

Answer:

If it travels 12.56 ft in one revolution, then the circumference of the tire is 12.56 ft.

Circumference = 2 x π x radius

12.56=2 x 3.14 x radius

radius x 6.28=12.56

Radius= 2 ft

Step-by-step explanation:

The radios is 4 ft because 12 divided by 3 is 4