Angles Outside a Circle: Lesson (Geometry Concepts)

Discover more at www.ck12.org: http://www.ck12.org/geometry/Angles-Outside-a-Circle/.

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-Circles/

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

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

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

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

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

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

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

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

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

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

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

Watch the whole series of CK-12's Geometry videos: https://www.youtube.com/playlist?list=PLhWx3LZhlpsfZglz0JcMu7AMqcROsISuG

Видео Angles Outside a Circle: Lesson (Geometry Concepts) канала CK-12 Foundation