Angles Subtended by Arcs
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main property of circles used in the problems discussed in the video?
The radius is half the diameter.
The angle subtended by an arc at the center is twice the angle subtended at the circumference.
The diameter is the longest chord in a circle.
The sum of angles in a triangle is 180 degrees.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an arc subtends an angle of 80 degrees at the center, what is the angle subtended at the circumference?
40 degrees
80 degrees
20 degrees
160 degrees
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle subtended at the circumference by an arc that subtends 70 degrees at the center?
35 degrees
70 degrees
140 degrees
105 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an arc subtends 160 degrees at the center, what is the angle subtended at the circumference?
80 degrees
40 degrees
160 degrees
100 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a cyclic quadrilateral, what is the sum of the opposite angles?
270 degrees
180 degrees
90 degrees
360 degrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If angle Z in a cyclic quadrilateral is 80 degrees, what is the measure of the opposite angle W?
100 degrees
80 degrees
180 degrees
90 degrees
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle Y if the arc subtends 120 degrees at the center?
120 degrees
30 degrees
60 degrees
90 degrees
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