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6-146.
Circumference = 2πr (or 2πx in this case)
200 = 2y + 2πx
Use the information from part (a).
A = xy + πx2
Circumference = 2πr (or 2πx in this case)
200 = 2y + 2πx
Use the information from part (a).
A = xy + πx2