Missing Diagrams With Two Column Proofs

This geometry video tutorial focuses on writing two column proofs based on missing diagrams. This video gives you two examples where you have to convert a sentence into a diagram and prove a statement. Examples & practice problems include isosceles triangles, midpoints, medians, altitudes and angle bisectors.

Triangle Congruence - SSS, SAS, ASA:

CPCTC - 2 Column Proofs With Triangles:

Hypotenuse Leg Theorem - HL Postulate:

Detour Proofs - Double Triangle Congruence:

The Midpoint Formula:

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Right Angle Theorem - SSS & SAS:

Perpendicular Bisector Theorem:

Altitude, Median, Midpoint & P. Bisector:

Parallel & Perpendicular Lines - Slope:

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Indirect Proofs - Example Problems:

Proving Parallel Lines With Proofs:

The Exterior Angle Theorem:

Exterior Angle Inequality Theorem:

Polygons:

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Final Exams and Video Playlists:

Full-Length Videos and Worksheets:

[amargbm]

thanks prof i learnt my lesson.
thank you to give me motivation to get better in life.

[georgesadler]

MR. Organic Chemistry Tutor, thank you so much for an awesome video/lecture on Missing Diagrams With Two Columns Proofs in Plane Geometry. This is a bit more complicated from my view, however starting from scratch, should only continue to increase my overall understanding of Geometry.