What does 'circumference' mean?
Area and Circumference Flashcard
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Distance around a circle.
2.
FLASHCARD QUESTION
Front
Is the red line a radius or diameter of the circle?
Back
Radius.
3.
FLASHCARD QUESTION
Front
What is the area of a circle with a radius of 5 m? Use 3 for pi and choose the answer that is the closest.
Back
47.13 m².
4.
FLASHCARD QUESTION
Front
Find the radius of a circle whose diameter is 40 ft.
Back
20 ft.
5.
FLASHCARD QUESTION
Front
What is the radius of a circle when the diameter is 70 m?
Back
35 m.
6.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
C = 2πr or C = πd.
7.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
A = πr².
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