Area and Circumference of a Circle
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
Circumference = 2 × π × radius or Circumference = π × diameter.
2.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
Area = π × radius².
3.
FLASHCARD QUESTION
Front
If the radius of a circle is 5 inches, what is the diameter?
Back
Diameter = 10 inches.
4.
FLASHCARD QUESTION
Front
What is the value of π (pi) approximately?
Back
π ≈ 3.14.
5.
FLASHCARD QUESTION
Front
If the diameter of a circle is 14 cm, what is the radius?
Back
Radius = 7 cm.
6.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a radius of 3 ft?
Back
Circumference = 18.84 ft.
7.
FLASHCARD QUESTION
Front
What is the area of a circle with a radius of 4 inches?
Back
Area = 50.24 inches².
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