Altitude of a Triangle – Finding The Orthocenter

This geometry video tutorial provides a basic introduction into the altitude of a triangle. It provides the definition of an altitude and it includes plenty of examples of finding the orthocenter of an acute triangle, right triangle, and an obtuse triangle.

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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Triangles, Medians, & Altitudes – Proofs:

2 Column Proofs – Isosceles Triangles:

Angle Side Theorem – 2 Column Proofs:

Hypotenuse Leg Theorem – HL Postulate:

Detour Proofs – Double Triangle Congruence:

Missing Diagrams – 2 Column Proofs:

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