Using Math to Solve Billiards Angle Problems

This lesson teaches how to write equations for multi-step problems using angle relationships. It begins with a review of supplementary angles and introduces the concept of angles of approach and departure using a pool table example. The lesson includes solving equations to find unknown angles in various scenarios, such as a pool ball hitting a table and a test problem involving triangle angles. The lesson concludes with a summary of the key concepts covered.

What is the relationship between the angle of approach and the angle of departure when a pool ball hits the side of the table?

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What does it mean for two angles to be supplementary?

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How do you set up an equation to find the angle of departure if the angle of approach is given as 120 degrees?

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Describe the process of writing an equation for a multi-step problem involving angles.

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Explain how to solve for the missing angle in a triangle when given two angles.

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