Angles Outside a Circle: Lesson (Geometry Concepts)

Описание: Discover more at www.ck12.org: http://www.ck12.org/geometry/Angles-O....

Here you'll learn how to calculate angles formed outside a circle by tangent and secant lines.

This video gives more detail about the mathematical principles presented in Angles Outside a Circle.

This is part of CK-12’s Geometry: Circles. See more at:

1. Parts of Circles:
http://www.ck12.org/geometry/Parts-of...

2. Tangent Lines:
http://www.ck12.org/geometry/Tangent-...

3. Arcs in Circles:
http://www.ck12.org/geometry/Arcs-in-...

4. Chords in Circles:
http://www.ck12.org/geometry/Chords-i...

5. Inscribed Angles in Circles:
http://www.ck12.org/geometry/Inscribe...

6. Inscribed Quadrilaterals in Circles:
http://www.ck12.org/geometry/Inscribe...

7. Angles On and Inside a Circle:
http://www.ck12.org/geometry/Angles-O...

8. Angles Outside a Circle:
http://www.ck12.org/geometry/Angles-O...

9. Segments from Chords:
http://www.ck12.org/geometry/Segments...

10. Segments from Secants:
http://www.ck12.org/geometry/Segments...

11. Segments from Secants and Tangents:
http://www.ck12.org/geometry/Segments...

12. Circles in the Coordinate Plane:
http://www.ck12.org/geometry/Circles-...

Watch the whole series of CK-12's Geometry videos:    • CK-12 Geometry Concepts