Central & Inscribed Angles
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a central angle?
Back
A central angle is an angle whose vertex is at the center of a circle and whose sides (rays) extend to the circumference of the circle.
2.
FLASHCARD QUESTION
Front
What is an inscribed angle?
Back
An inscribed angle is an angle formed by two chords in a circle which have a common endpoint. The vertex of the angle is on the circle.
3.
FLASHCARD QUESTION
Front
How do you find the measure of a central angle?
Back
The measure of a central angle is equal to the measure of the arc it intercepts.
4.
FLASHCARD QUESTION
Front
How do you find the measure of an inscribed angle?
Back
The measure of an inscribed angle is half the measure of the arc it intercepts.
5.
FLASHCARD QUESTION
Front
What is the relationship between a central angle and an inscribed angle that intercept the same arc?
Back
The central angle is twice the measure of the inscribed angle.
6.
FLASHCARD QUESTION
Front
If the measure of arc AB is 100°, what is the measure of the inscribed angle that intercepts arc AB?
Back
The measure of the inscribed angle is 50°.
7.
FLASHCARD QUESTION
Front
If the measure of a central angle is 72°, what is the measure of the arc it intercepts?
Back
The measure of the arc is also 72°.
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