Answer:
18 inches and 57 inches
Step-by-step explanation:
The diameter and the circumference of a circle are proportionate to each other.
The circumference of a circle will always be the diameter times 
. We know this because the circumference of a circle is represented as
Since the diameter is twice the radius, we multiply the radius by 2 - there's already a 
in this equation, so 
.
1st option: 
, this is close to 57 so it's reasonable.
2nd option: 
, this isn't close to 28 at all.
3rd option: 
, this isn't close to 80 at all.
So the 1st option is reasonable.
Hope this helped!
<em>The moon is a sphere.</em><span><span><em> </em>
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1/6 of the 5th grade boys are on the drill team because you find this by multiplying 1/4 and 2/3 and simplifying
