Basic Angles and Arcs of Circles

Flashcard
•
Mathematics
•
9th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an inscribed angle in a circle?
Back
An inscribed angle is formed by two chords in a circle which have a common endpoint. The vertex of the angle is on the circle, and the sides of the angle are the chords.
2.
FLASHCARD QUESTION
Front
What is the intercepted arc of an inscribed angle?
Back
The intercepted arc is the arc that lies in the interior of the inscribed angle and has endpoints on the angle.
3.
FLASHCARD QUESTION
Front
What is the measure of an inscribed angle in relation to its intercepted arc?
Back
The measure of an inscribed angle is half the measure of its intercepted arc.
4.
FLASHCARD QUESTION
Front
Define a major arc in a circle.
Back
A major arc is an arc that measures more than 180 degrees.
5.
FLASHCARD QUESTION
Front
Define a minor arc in a circle.
Back
A minor arc is an arc that measures less than 180 degrees.
6.
FLASHCARD QUESTION
Front
What is a semicircle?
Back
A semicircle is an arc that measures exactly 180 degrees.
7.
FLASHCARD QUESTION
Front
How do you determine the measure of a minor arc?
Back
The measure of a minor arc is equal to the measure of the central angle that subtends it.
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