Transitive Property of Congruence & Substitution Property of Equality

This geometry video tutorial provides a basic introduction into the transitive property of congruence and the substitution property of equality. In addition, this video tutorial discusses vertical angles and opposite rays in addition to providing algebra practice problems & examples associated with vertical angles. It provides the vertical angles theorem. It’s important to understand that vertical angles are congruent and they are produced whenever two lines intersect one another.

Geometry Introduction:

Addition & Subtraction Equality Property:

Multiplication & Division Property Equality:

Transitive Property of Congruence:

Triangles – Basic Introduction:

Alternate Interior & Exterior Angles:

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2 Column Proofs of Congruent Segments:

2 Column Proofs of Angles:

Triangle Congruence – SSS, SAS, ASA:

CPCTC – 2 Column Proofs With Triangles:

Median of a Triangle Formula:

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