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You need to understand the concept of the number pi. pi is the the number of diameters you can "wrap" around a circle. The number is 3.14... So if you had a circle ... - read more

What is the circumference of a circle with a diameter of 45 centimeters? A. 70.7 centimeters B. 6,361.7 centimeters C. 141.4 centimeters D. 282.7 centimeters - read more

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