What is the formula for calculating the circumference of a circle?
Circumference
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Circumference = π × diameter or Circumference = 2 × π × radius.
2.
FLASHCARD QUESTION
Front
What is the value of π (pi) commonly used in calculations?
Back
3.14.
3.
FLASHCARD QUESTION
Front
If a circle has a diameter of 6.8 m, what is its circumference?
Back
21.4 m.
4.
FLASHCARD QUESTION
Front
If a circle has a radius of 9 mi, what is its circumference?
Back
56.5 mi.
5.
FLASHCARD QUESTION
Front
If a circle has a radius of 5.8 cm, what is its circumference?
Back
36.4 cm.
6.
FLASHCARD QUESTION
Front
How do you find the radius of a circle if you know the circumference?
Back
Radius = Circumference / (2 × π).
7.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a diameter of 14.8 m?
Back
46.5 m.
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