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Central Angles and Arcs

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More Lessons for Grade 9 Math
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Examples, solutions, videos, worksheets, games and activities to help Grade 9 and Geometry students learn about central angles and arcs.

The following diagrams show the relationships between the Angles and their Arcs: Central Angles, Inscribed Angles, Internal Angles and External Angles. Scroll down the page for more examples, explanations and solutions.

Central Angle and Arc

Arcs and Central Angles
Students learn the definition of a central angle, and that the measure of a central angle is equal to the measure of its intercepted arc.

How to Find the Measure of a Central Angle when Given its Corresponding Arc Degree?
How to Find a Central Angle?
How to Find a Central Angle When Given a Radius and a Tangent?

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