Circumference and Area of Circles

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
2.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
3.
FLASHCARD QUESTION
Front
What is the value of π (pi) approximately?
Back
π (pi) is approximately equal to 3.14.
4.
FLASHCARD QUESTION
Front
If the radius of a circle is 7 cm, what is the area?
Back
5.
FLASHCARD QUESTION
Front
If the diameter of a circle is 10 m, what is the circumference?
Back
6.
FLASHCARD QUESTION
Front
What is the relationship between radius and diameter?
Back
The diameter (d) of a circle is twice the radius (r): d = 2r.
7.
FLASHCARD QUESTION
Front
How do you convert diameter to radius?
Back
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