Circle Geometry Concepts
Flashcard
•
Mathematics
•
6th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does C represent in the formula: C = π·d?
Back
Circumference
2.
FLASHCARD QUESTION
Front
What is the formula to calculate the circumference of a circle?
Back
C = π·d or C = 2·π·r (where d is diameter and r is radius)
3.
FLASHCARD QUESTION
Front
What is the value of π (Pi) approximately?
Back
3.14
4.
FLASHCARD QUESTION
Front
What is the relationship between the diameter and radius of a circle?
Back
The diameter is twice the radius (d = 2·r).
5.
FLASHCARD QUESTION
Front
What is the area of a circle formula?
Back
A = π·r² (where r is the radius)
6.
FLASHCARD QUESTION
Front
How do you find the radius if you know the circumference?
Back
r = C / (2·π)
7.
FLASHCARD QUESTION
Front
What is the diameter of a circle if the radius is 5 cm?
Back
10 cm (d = 2·r)
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