Arcs and Angles in Circles
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of 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 measure of a full circle in degrees?
Back
360 degrees.
Tags
CCSS.4.MD.C.5B
CCSS.HSG.CO.A.1
3.
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
4.
FLASHCARD QUESTION
Front
What is the relationship between the central angle and the arc it subtends?
Back
The measure of the arc is equal to the measure of the central angle that subtends it.
Tags
CCSS.HSG.C.B.5
5.
FLASHCARD QUESTION
Front
What is the formula for finding the length of an arc?
Back
Arc length = (θ/360) * 2πr, where θ is the central angle in degrees and r is the radius.
Tags
CCSS.HSG.C.B.5
6.
FLASHCARD QUESTION
Front
What is the definition of a chord in a circle?
Back
A chord is a line segment whose endpoints lie on the circle.
7.
FLASHCARD QUESTION
Front
What is the relationship between a diameter and a radius?
Back
The diameter is twice the length of the radius.
Tags
CCSS.7.G.B.4
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