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A pizza has a diameter of 12 inches. What is the approximate circumference of the pizza? A 100.5 inches B 50.2 inches C 37.7 inches D 12.6 inches
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A pizza has a diameter of 12 inches. What is the approximate circumference of the pizza? A 100.5 inches B 50.2 inches C 37.7 inches D 12.6 inches

User Tagc
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Circumference=2πr, or 2d.

The diameter of the pizza is 12 inches. 12•π is approximately 37.7 inches. Instead of multiplying 12 by all of pi, you can also just use the first 3 digits of pi, 3.14, and still get 37.68, about 37.7 inches.
User Cmd
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