Respuesta :

Answer: Yes he is correct

Explanation:

The radius is half the diameter

radius = diameter/2 = 3.5/2 = 1.75

Answer:

yes hes right.

Step-by-step explanation:

d = 2 x 1.75

d = 3.5

c = 2 x pi x 1.75

c = 3.5

ur answer is 3.5 ethans right