What is the radius of a circle?
Circumference and Area of Circles
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The radius of a circle is the measurement from the center of a circle to an edge of the circle.
2.
FLASHCARD QUESTION
Front
How do you calculate the radius from the diameter?
Back
To calculate the radius from the diameter, divide the diameter by 2.
3.
FLASHCARD QUESTION
Front
If the radius is 10 ft, what is the diameter?
Back
The diameter is 20 ft.
4.
FLASHCARD QUESTION
Front
If the diameter is 19 inches, what is the radius?
Back
The radius is 9.5 inches.
5.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle using the diameter?
Back
6.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle using the radius?
Back
7.
FLASHCARD QUESTION
Front
What is the area of a circle?
Back
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