Answer:
A≈78.54
Step-by-step explanation:
A=πr2
I think this is right
Answer:

Step-by-step explanation:
Recall that
. Using this, we can simplify and combine the two terms:
. Therefore, the terms may be combined.
Lee's shoe size would be a 9
9 6 6
Range = biggest value - smallest value
9-6 = 3