Circles

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chord in a circle?
Back
A chord is a line segment with both endpoints on the circle.
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 endpoints on the circle. It is twice the length of the radius.
Tags
CCSS.HSG.C.A.2
4.
FLASHCARD QUESTION
Front
How do you calculate the circumference of a circle?
Back
The circumference can be calculated using the formula C = 2πr, where r is the radius.
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
What is the relationship between the radius and diameter of a circle?
Back
The diameter is twice the length of the radius (D = 2r).
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
What is an arc in a circle?
Back
An arc is a portion of the circumference of a circle.
Tags
CCSS.HSG.C.B.5
7.
FLASHCARD QUESTION
Front
What is the measure of an arc?
Back
The measure of an arc is the angle subtended by the arc at the center of the circle, usually measured in degrees.
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