What is the formula to calculate the circumference of a circle?
Circumference of a Circle
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Circumference = 2 × π × radius or Circumference = π × diameter.
2.
FLASHCARD QUESTION
Front
If the radius of a circle is 15 yards, what is the circumference?
Back
94.2 yards.
3.
FLASHCARD QUESTION
Front
What is the relationship between radius and diameter?
Back
Diameter = 2 × radius.
4.
FLASHCARD QUESTION
Front
If the diameter of a circle is 20 feet, what is the radius?
Back
10 feet.
5.
FLASHCARD QUESTION
Front
What is the distance around a circle called?
Back
Circumference.
6.
FLASHCARD QUESTION
Front
If the radius of a circle is 10 feet, what is the diameter?
Back
20 feet.
7.
FLASHCARD QUESTION
Front
What is the approximate value of π (pi)?
Back
3.14.
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