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12.1: Reflection Symmetry

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

Congruent

Congruent figures are identical in size, shape and measure.

Isosceles Triangle

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

Line of Symmetry

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

Line Symmetry

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

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

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:
Aug 02, 2016
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MAT.GEO.912.L.2