SOLUTION: I would be very appreciated if someone were to help me answer this problem. A circular planetarium has a center stage with a 9 foot radius and five outer rings of circles of seats.

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Question 209376: I would be very appreciated if someone were to help me answer this problem. A circular planetarium has a center stage with a 9 foot radius and five outer rings of circles of seats. Each ring of seats is seven feet wide. What is the circumference of the largest circle?
C=2*pi*r
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
I would be very appreciated if someone were to help me answer this problem. A circular planetarium has a center stage with a 9 foot radius and five outer rings of circles of seats. Each ring of seats is seven feet wide. What is the circumference of the largest circle?
C=2*pi*r
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radius = 9 + 5*7 = 44 ft.
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Circumference = 2*pi*44 = 88pi = 276.46 feet
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Cheers,
Stan H.