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Geometry worksheet in which students fold cutouts of polygons to find lines of reflection.
​Activity 3C

Reflectional Symmetry

 
Objective
Draw lines of reflection in polygons.
 
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Geometry worksheet containing polygons for students to cut out and fold to determine lines of reflection in polygons.

About Geometry Worksheet Activity 3C:     

 

Activity 3C is an introduction to reflectional symmetry in polygons through folding polygons to find axes of symmetry.  

 

Prerequisite Skill: Draw images in reflections of polygons (Assignment 3.7).

 

How to find axes of symmetry in polygons:

 

(Do problem 1 by following the steps below)

 

1.  With scissors, cut out the triangle from the page of polygons.

 

2.  Fold the triangle in half.

 

3.  Open the triangle.  Use a straightedge to draw a line along the fold.  

 

4.  Use a straightedge to draw the same line of reflection on the triangle in problem 1.

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