Answer:
If it is using pi as 3.14, it is 56.52.
If it is just the pi symbol, it is 18π.
Explanation:
We do 9 x 3.14 = 28.26 and then you multiply that by 2 to get 56.52.
We do 9 x π = 9π. Then multiply by 2 to get 18π.
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