What is the definition of diameter in a circle?
Radius, Diameter, Circumference Review

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The diameter is the distance across a circle through its center, equal to twice the radius.
2.
FLASHCARD QUESTION
Front
How do you calculate the circumference of a circle?
Back
Circumference = π × diameter or Circumference = 2 × π × radius.
3.
FLASHCARD QUESTION
Front
If the diameter of a circle is 6 meters, what is the radius?
Back
The radius is 3 meters.
4.
FLASHCARD QUESTION
Front
What is the approximate value of π (pi)?
Back
π (pi) is approximately 3.14.
5.
FLASHCARD QUESTION
Front
What is the relationship between radius and diameter?
Back
The diameter is twice the radius (Diameter = 2 × Radius).
6.
FLASHCARD QUESTION
Front
Find the circumference of a circle with a radius of 1.5 m.
Back
Circumference = 2 × π × 1.5 m ≈ 9.42 m.
7.
FLASHCARD QUESTION
Front
If a circle has a circumference of 25.12 yd, what is its diameter?
Back
Diameter = Circumference / π ≈ 25.12 yd / 3.14 ≈ 8 yd.
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