√v/nh = r
Divide v by nh
Square root answer
Answer:

Step-by-step explanation:
From the question we are told that:
Diameter 
Radius
Generally the equation for Circumference of a circle is mathematically given by


Think about it 2/8 = 1/4 1/4 = .25
Answer:
1
Step-by-step explanation:
If you had 1 model and it equaled 100. You then would have 32 to equal 3200, because 32 X 100 = 3200. The answer would be 32 models to get you 3200.