Geometry central and inscribed angles worksheet answer key

1. If angle ACB is 47 degrees, what is the measure of angle AOB?

1. 94 degrees

2. 47 degrees

3. 23.5 degrees

4. 97 degrees

5. Cannot be determined

2. If angle ACB is 34 degrees, what is the measure of angle ADB?

1. 34 degrees

2. 68 degrees

3. 17 degrees

4. 72 degrees

5. Cannot be determined

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About This Quiz & Worksheet

In this quiz and accompanying worksheet you will learn the difference between central and inscribed angles. The practice problems will test your geometry skills as you calculate angles.

Quiz & Worksheet Goals

Students have the chance to solve for:

• The central angle
• An inscribed angle
• Vertical angle
• Isosceles triangle angles

Skills Practiced

• Problem solving - use acquired knowledge to solve angle practice problems
• Knowledge application - use your knowledge of opposite angles to solve the unknown angles within a triangle
• Distinguishing differences - compare and contrast topics from the lesson, such as the ways to calculate inscribed angles vs. central angles

Additional Learning

For more information about this subject, take a look at the lesson called Central and Inscribed Angles: Definitions and Examples. This lesson discusses:

• Radius and circumference
• Chords and endpoints
• Definitions and formulas of central and inscribed angles

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