What is a circle?
Circles - Area and Circumference
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A circle is a shape consisting of all points in a plane that are a fixed distance (radius) from a central point (center).
2.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
The radius is the distance from the center of the circle to any point on its circumference.
3.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The diameter is a line segment that passes through the center of the circle and has its endpoints on the circle. It is twice the length of the radius.
4.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
5.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
6.
FLASHCARD QUESTION
Front
What is the relationship between diameter and radius?
Back
7.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a radius of 4 cm?
Back
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