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 does C represent in the formula C = π·d?
Back
Circumference
2.
FLASHCARD QUESTION
Front
Estimate the circumference of a circle with a radius of 12.5 mm using 3 for pi.
Back
78.5 mm
3.
FLASHCARD QUESTION
Front
What is the area of a circle whose diameter is 22?
Back
379.94
4.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a diameter of 12 cm?
Back
37.68 cm
5.
FLASHCARD QUESTION
Front
Which is the closest area of a circle with a radius of 10?
Back
314
6.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
C = π·d or C = 2·π·r
7.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
A = π·r²
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