Circles Review 2024
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a circle?
Back
A circle is a set of points in a plane that are equidistant from a fixed point called the 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 a chord in a circle?
Back
A chord is a line segment with both endpoints on the circle.
5.
FLASHCARD QUESTION
Front
What is an arc in a circle?
Back
An arc is a portion of the circumference of a circle.
6.
FLASHCARD QUESTION
Front
What is a sector of a circle?
Back
A sector is a region enclosed by two radii and the arc between them.
7.
FLASHCARD QUESTION
Front
What is a semi-circle?
Back
A semi-circle is an arc that represents half of a circle.
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