What is the radius of a circle?
Circles- Radius, Diameter, Circumference, and Area
Flashcard
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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The radius is the distance from the center of the circle to any point on its circumference.
2.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The diameter is the distance across the circle through its center, equal to twice the radius.
3.
FLASHCARD QUESTION
Front
What is the circumference of a circle?
Back
The circumference is the distance around the circle.
4.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
5.
FLASHCARD QUESTION
Front
If the radius of a circle is 5 cm, what is the diameter?
Back
The diameter is 10 cm, since diameter = 2 × radius.
6.
FLASHCARD QUESTION
Front
If the diameter of a circle is 12 m, what is the radius?
Back
The radius is 6 m, since radius = diameter / 2.
7.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle using radius?
Back
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