Parts of a Circle Practice
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The diameter is a straight line that passes through the center of the circle and connects two points on its circumference. It is twice the length of the radius.
Tags
CCSS.HSG.C.A.2
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. It is half the length of the diameter.
3.
FLASHCARD QUESTION
Front
What is a sector of a circle?
Back
A sector is a portion of a circle enclosed by two radii and the arc between them. It resembles a 'slice' of the circle.
4.
FLASHCARD QUESTION
Front
What is a chord in a circle?
Back
A chord is a straight line segment whose endpoints lie on the circumference of the circle. It does not pass through the center.
Tags
CCSS.HSG.C.A.2
5.
FLASHCARD QUESTION
Front
What is an arc in a circle?
Back
An arc is a part of the circumference of a circle. It is defined by two endpoints on the circle.
Tags
CCSS.HSG.C.B.5
6.
FLASHCARD QUESTION
Front
What is a central angle in a circle?
Back
A central angle is an angle whose vertex is at the center of the circle and whose sides (radii) extend to the circumference.
7.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
Tags
CCSS.7.G.B.4
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