What is the definition of circumference?
Circumference and Area

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The measurement around the circle.
2.
FLASHCARD QUESTION
Front
What is the formula for calculating the circumference of a circle?
Back
Circumference = 2 × π × radius or Circumference = π × diameter.
3.
FLASHCARD QUESTION
Front
What is the definition of radius?
Back
The distance from the center of the circle to any point on its edge.
4.
FLASHCARD QUESTION
Front
What is the definition of diameter?
Back
The distance across the circle through its center, equal to twice the radius.
5.
FLASHCARD QUESTION
Front
How do you calculate the area of a circle?
Back
Area = π × radius².
6.
FLASHCARD QUESTION
Front
What is the approximate value of π (pi)?
Back
Approximately 3.14.
7.
FLASHCARD QUESTION
Front
If the radius of a circle is 7 cm, what is its area?
Back
Area = π × (7 cm)² = 153.86 cm².
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