Respuesta :

Answer:

1.3

Step-by-step explanation:

Radius is half of a diameter so you just need to divide 3.6 by 2

Answer:

1.8

Step-by-step explanation:

The formula for diameter and radius is 2r = d, if we solve this equation we get 2r = 3.6 So, divide 3.6 by 2 and you got your answer!