Answer:
The diameter of circle is 24 cm.
Step-by-step explanation:
We are given the following in the question:
Circumference of circle = 75.36 cm
We have to find the diameter of the circle.
Circumference of circle =

where r is the radius of the circle.
Putting values, we get,

Diameter of circle =

Thus, the diameter of circle is 24 cm.
Not enough information... how much area did the student paint in 8 hours?
N=9

n=9.333333333333333

that is 15 3's by the way.