# [2014] Francesca Monacelli (7 Soenen): Classifying triangles

by
**SAWWAS**

Last updated 5 years ago

** Discipline: **

Math ** Subject: **

Geometry
** Grade:**

8

Classifying TrianglesBy Francesca Monacelli

Triangles can be classified by their angle measures and by their side lengths.

Triangles are three sided polygons

Triangles

Angle Measures always equal 180*

Lines are used to mark congruent sides, indicating they are the same length

Do not assume segments are congruent based on appearence. They must be marked as congruent

Triangles are made up of three line segments connected at a vertex to form an angle

Images/Examples Courtesy of Holt McDougal Video Courtesy of MrBrittOnline

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