Tangent Line Properties

Ashley Dugas, 02.02.2017

You will discover three properties of tangent lines in this book. After completing the investigations, answer the questions on your handout about tangents.


  • 1. A Tangent to a Circle
  • 2. Tangent-Chord Angles
  • 3. External Tangent Segments

1.

A Tangent to a Circle

Rotate Point B around the circle. Move point C to change the size of the circle. Pay attention to the angle between the radius and the tangent.

What is the angle between the radius and the tangent?
– Todd Mikolayenko

2.

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3.

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