Finding The Slope Given Two Points – Parallel & Perpendicular Lines – Altitudes & Medians | Geometry

This geometry video tutorial explains the process of finding slope given two points in addition to calculating the slope of parallel lines and perpendicular lines. This video also contains a few examples & practice problems on calculating the slope of an altitude and the slope of a median in a triangle.

Triangle Congruence – SSS, SAS, ASA:

CPCTC – 2 Column Proofs With Triangles:

Hypotenuse Leg Theorem – HL Postulate:

Detour Proofs – Double Triangle Congruence:

The Midpoint Formula:

Missing Diagrams – 2 Column Proofs:

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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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