Perpendicular Bisector of a Line Segment and Triangle

This geometry video tutorial provides a basic introduction into the perpendicular bisector of a line segment and a triangle. it discusses the perpendicular bisector theorem and the definition of perpendicular bisectors in addition to how to use them in a geometry two column proof problem with statements and reasons. This tutorial also describes how to identify the location of the circumcenter of a acute, right, and obtuse triangle after drawing all 3 altitudes from the vertex of the triangle to the midpoint of the opposite. This video contains plenty of examples and geometry practice problems.

Triangle Congruence – SSS, SAS, ASA:

CPCTC – 2 Column Proofs With Triangles:

Hypotenuse Leg Theorem – HL Postulate:

Detour Proofs – Double Triangle Congruence:

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The Midpoint Formula:

Missing Diagrams – 2 Column Proofs:

Right Angle Theorem – SSS & SAS:

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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