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Geometry worksheet to help students name included sides and angles in triangles.
Geometry worksheet to help students name included sides and angles in pairs of triangles and distinguish between SSA and SAS and ASA and AAS.

Activity 3.8​

Assignment 3.9

​Assignment 5.3

​Included Sides and Angles in Triangles

 
Objectives
Name included sides and angles in triangles.
 
Identify pairs of triangles with congruent angle pairs included between congruent side pairs.
 
Identify pairs of triangles with congruent side pairs included between congruent angle pairs.
 
 
 
 
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About Geometry Worksheet Assignment 5.3:     

 

Assignment 5.3 is an introduction to included angles and sides in triangles.  

 

Prerequisite Skills:  Name line segments (Assignment 1.12).  Name angles (Assignment 2.4).  Identify pairs of congruent sides and congruent angles using the letters S and A (Assignment 5.2).

 

Definitions:  In a triangle, an angle is included between a pair of sides if the vertex of the angle is the intersection of the sides.

                           In a triangle, a side is included between a pair of angles if the endpoints of the sides are the vertices of the angles.

                       

                        

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