Circle Angle Mastery Quiz
Test your knowledge of angles in circles, including inscribed angles and central angles.
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Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: What is the relationship between an inscribed angle and the central angle that subtends the same arc?
They are equal
There is no fixed relationship
The inscribed angle is half the central angle
The inscribed angle is twice the central angle
Question 2: An inscribed angle that intercepts a semicircle is always:
45 degrees
90 degrees
60 degrees
180 degrees
Question 3: What is the sum of all inscribed angles that intercept the same arc?
360 degrees
180 degrees
The sum is half of the arc value multiplied by the number of angles
90 degrees
Question 4: In a circle, if an inscribed angle measures 40°, what is the measure of the central angle that subtends the same arc?
120°
80°
20°
160°
Question 5: What is the sum of two angles inscribed in a semicircle opposing the diameter?
180 degrees
60 degrees
45 degrees
90 degrees
Question 6: What is special about inscribed angles that subtends the same arc of a circle?
They are all obtuse angles
They are all equal
They add up to 360°
They are all acute angles
Question 7: If an inscribed angle intercepts an arc of 120°, what is the measure of the inscribed angle?
240°
30°
120°
60°
Question 8: In a circle, what is the relationship between inscribed angles that intercept the same chord?
They are supplementary
They are equal
They are complementary
They form a right angle