Definition:Medial Triangle

Definition

Let $\triangle ABC$ be a triangle.

The medial triangle of $\triangle ABC$ is the triangle formed by joining the midpoint of each of the sides of $\triangle ABC$.

In the above, the triangle $\triangle DEF$ is the medial triangle of $\triangle ABC$.

Also known as

The medial triangle is also known as the median triangle.

Also see

• Results about medial triangles can be found here.

Sources

• 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): medial triangle
• 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): median triangle or medial triangle
• 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): median triangle

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