12.3 inscribed angles
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
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, and the sides of the angle are the chords.
2.
FLASHCARD QUESTION
Front
What is the relationship between an inscribed angle and the arc it intercepts?
Back
The measure of an inscribed angle is half the measure of the intercepted arc.
Tags
CCSS.HSG.C.A.2
3.
FLASHCARD QUESTION
Front
If the measure of arc AB is 80°, what is the measure of the inscribed angle ACB?
Back
The measure of angle ACB is 40°.
Tags
CCSS.HSG.C.A.2
4.
FLASHCARD QUESTION
Front
What is the formula to find the measure of an inscribed angle?
Back
The measure of an inscribed angle = 1/2 * (measure of the intercepted arc).
Tags
CCSS.HSG.C.A.2
5.
FLASHCARD QUESTION
Front
If angle ACB is 45°, what is the measure of arc AB?
Back
The measure of arc AB is 90°.
Tags
CCSS.HSG.C.B.5
6.
FLASHCARD QUESTION
Front
What is the measure of an angle formed by two tangents drawn from a point outside a circle?
Back
The measure of the angle formed by two tangents is equal to half the difference of the measures of the intercepted arcs.
Tags
CCSS.HSG.C.A.2
7.
FLASHCARD QUESTION
Front
How do you find the measure of an angle formed by a tangent and a chord?
Back
The measure of the angle formed by a tangent and a chord is equal to half the measure of the intercepted arc.
Tags
CCSS.HSG.C.A.2
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