Intro to 2 Column Geometry Proofs
I introduce the structure of 2 column proofs and then remind you of the Properties of Equality you learned in Algebra. I finish by working through three examples. EXAMPLES at 13:10 17:09 23:43 Check out http://www.ProfRobBob.com, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage / profrobbob

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Congruent Angles

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Two-Column Proof Practice II

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Why is there no equation for the perimeter of an ellipse‽

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When Math Isn’t Based in Reality

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Points Lines & Planes in Geometry

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Something strange happens when you "bump the base"

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Congruent Triangles SSS SAS

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Geometry - Angle Proofs

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Geometry, Two Column Proofs of Angles - Addition, Substitution & Transitive Property

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Becoming good at math is easy, actually

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