Answer: It's Already simplified!
Answer:
The area of the putting green is 1133.5 square feet.
Step-by-step explanation:
Area of a circle:
The area of a circle is given by:

In which r is the radius, which is half the diameter.
The circular putting green has a diameter of 38 ft.
This means that 
What is the area of the putting green?

The area of the putting green is 1133.5 square feet.
You can make 4 out of 18 cubes
I'd say C...
I did the same thing today.