5 Special Lines in a Triangle. Altitude, median, and the three…, by Albers Uzila, Geoclid

In this article and many more to come, we will discuss some unique properties of triangles. Given an arbitrary triangle, define the following: Since a triangle has three sides and vertices, it also…

5.4 Medians and Altitudes A median of a triangle is a segment whose endpoints are a vertex and the midpoint of the opposite side. A triangle's three medians. - ppt video online download

2010 Indonesia National Olympiad Problem 2, by Albers Uzila, Geoclid

Introducing: The Theorem Grid. Theorems on Geoclid So Far, by Albers Uzila, Geoclid

5-3: Medians and Altitudes (p. 10). Apply properties of medians of

5-3 Medians and Altitudes of Triangles

5-3 Medians and Altitudes of Triangles

But Why is the Total Internal Angle of a Triangle 180°?, by Albers Uzila, Geoclid

Special Triangle Segment Graphic Organizer by Krista Wickersham

Altitude of a Triangle - Definition, Formulas, Properties, Examples

How to calculate the inner angles of a triangle where the median

5 Special Lines in a Triangle. Altitude, median, and the three…, by Albers Uzila, Geoclid

Line, Ray, and Segment. What's the difference?, by Albers Uzila, Geoclid

Another Way to Calculate the Area of a Triangle, by Albers Uzila, Geoclid

Special Lines in Triangles: Bisectors, Medians, and Altitudes

2010 Indonesia National Olympiad Problem 2, by Albers Uzila, Geoclid