What is the formula for the circumference of a circle?
Circumference of Circles
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Mathematics
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7th Grade
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Hard
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1.
FLASHCARD QUESTION
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Back
C = πd or C = 2πr, where C is the circumference, d is the diameter, and r is the radius.
2.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a diameter of 10 cm?
Back
31.42 cm (C = πd = π * 10)
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