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12.1: Reflection Symmetry

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

Congruent

Congruent

Congruent figures are identical in size, shape and measure.
Isosceles Triangle

Isosceles Triangle

An isosceles triangle is a triangle in which exactly two sides are the same length.
Line of Symmetry

Line of Symmetry

A line of symmetry is a line that can be drawn to divide a figure into equal halves.
Line Symmetry

Line Symmetry

A figure has line symmetry or reflection symmetry when it can be divided into equal halves that match.
reflection symmetry

reflection symmetry

A figure has reflection symmetry if it can be reflected across a line and look exactly the same as it did before the reflection.
Symmetry

Symmetry

A figure has symmetry if it can be transformed and still look the same.

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Difficulty Level:
At Grade
Grades:
Date Created:
Jul 17, 2012
Last Modified:
Feb 26, 2015
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MAT.GEO.912.L.2

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