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Seth wants to create a replica of a doughnut for a rooftop sign for his bakery. The replica has a diameter of 18 feet. The diameter of the hole in the center is equal to the radius of the replica.
A. Write a numerical expression for the length of the string of lights needed.
B. Simplify your expression. (Hint: Treat π like a variable.)
C. Find the length of the string. Use 3.14 as an approximation for π. Round your answer to 2 decimal places and use the correct unit of measure.
D. Explain how you found the answer. Include your thoughts and the steps you took to figure it out.
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