Circumference
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the value of π (pi) to two decimal places?
Back
3.14
Tags
CCSS.HSG.GMD.A.1
2.
FLASHCARD QUESTION
Front
What is the formula for calculating the circumference of a circle?
Back
C = πd or C = 2πr, where C is circumference, d is diameter, and r is radius.
Tags
CCSS.7.G.B.4
3.
FLASHCARD QUESTION
Front
If the circumference of a circle is 31.4 cm, what is the diameter?
Back
10 cm
Tags
CCSS.7.G.B.4
4.
FLASHCARD QUESTION
Front
How do you find the circumference of a circle if you know the radius?
Back
Use the formula C = 2πr.
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
What is the relationship between diameter and circumference?
Back
The circumference is π times the diameter.
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
If a circle has a circumference of 157 cm, what is the approximate diameter?
Back
50 cm.
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a radius of 5 cm?
Back
31.4 cm.
Tags
CCSS.7.G.B.4
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