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1. What is a real world example when you would have to find the circumference of something? Explain.

User Thamster
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Answer:

A real-life example of a radius is the spoke of a bicycle wheel. A 9-inch pizza is an example of a diameter: when one makes the first cut to slice a round pizza pie in half, this cut is the diameter of the pizza. So a 9-inch pizza has a 9-inch diameter.

Explanation:

User Ali Bakhtiari
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