Two Column Proofs: Lesson (Geometry Concepts)

Discover more at www.ck12.org: http://www.ck12.org/geometry/Two-Colu....

Here you'll learn how to write a two-column geometric proof.

This video gives more detail about the mathematical principles presented in Two Column Proofs.

This is part of CK-12’s Geometry: Reasoning and Proof. See more at:

1. Conjectures and Counterexamples:
http://www.ck12.org/geometry/Conjectu...

2. If-Then Statements:
http://www.ck12.org/geometry/If-Then-...

3. Converse, Inverse, and Contrapositive:
http://www.ck12.org/geometry/Converse...

4. Inductive Reasoning from Patterns:
http://www.ck12.org/geometry/Inductiv...

5. Deductive Reasoning:
http://www.ck12.org/geometry/Deductiv...

6. Truth Tables:
http://www.ck12.org/geometry/Truth-Ta...

7. Properties of Equality and Congruence:
http://www.ck12.org/geometry/Properti...

8. Two-Column Proofs:
http://www.ck12.org/geometry/Two-Colu...

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