Respuesta :

Answer:

2 units

Step-by-step explanation:

The radius of the circle is 2 units because you can find the radius by multiplying the diameter by 2. The radius is half of the diameter.

4 divided by 2 is 2.

Hope this helped :)

Answer:

2

Step-by-step explanation:

The radius is always half of the diameter. Half of 4 is 2.