What is the formula for the area of a circle?
Area and Circumference (Circles)

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
2.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
3.
FLASHCARD QUESTION
Front
What is the definition of circumference?
Back
The distance around a circle.
4.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
The distance from the center of the circle to any point on its circumference.
5.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The distance across the circle through its center, equal to twice the radius.
6.
FLASHCARD QUESTION
Front
If a circle has a radius of 5 inches, what is its area?
Back
7.
FLASHCARD QUESTION
Front
If a circle has a diameter of 10 inches, what is its circumference?
Back
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