What is circumference?
Area and Circumference of Circles

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The distance around a circle.
2.
FLASHCARD QUESTION
Front
What is the area of a circle with a radius of 5 cm?
Back
78.54 cm² (Area = πr², where r = 5 cm)
3.
FLASHCARD QUESTION
Front
If the diameter of a circle is 10 cm, what is the circumference?
Back
31.42 cm (Circumference = πd, where d = 10 cm)
4.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
A line from the center point to the edge of the circle.
5.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
Area = πr², where r is the radius.
6.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
Circumference = πd, where d is the diameter.
7.
FLASHCARD QUESTION
Front
If the radius of a circle is 7 cm, what is the area?
Back
153.94 cm² (Area = πr², where r = 7 cm)
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