CK-12 Geometry-Concepts

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines

3.6 Same Side Interior Angles

Here you’ll learn what same side interior angles are and their relationship with parallel lines.

What if you were presented with two angles that are on the same side of a transversal, but inside the lines? How
would you describe these angles and what could you conclude about their measures? After completing this Concept,
you’ll be able to answer these questions using your knowledge of same side interior angles.

Watch This

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URL: http://www.ck12.org/flx/render/embeddedobject/52442

CK-12 Foundation: Chapter3SameSideInteriorAnglesA

Watch the portions of this video dealing with same side interior angles.

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URL: http://www.ck12.org/flx/render/embeddedobject/1328

James Sousa: Angles and Transversals

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URL: http://www.ck12.org/flx/render/embeddedobject/1334

James Sousa: Proof that Consecutive Interior Angles Are Supplementary

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Click image to the left for use the URL below.

URL: http://www.ck12.org/flx/render/embeddedobject/1335