Intro to Symmetry Lesson

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lines of symmetry

Lines of symmetry

symmetry is when two or more parts are identical after a flip .
The simplest form of symmetry is reflection .
A 2D shape is symmetrical .
A line can be drawn through it so that either side of the line looks EXACTLY the same .
the line is called a line of symmetry .

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Lines of Symmetry of a Square

In a square, there are four lines of symmetry, each of which divides it into two identical parts. The symmetry lines of a square are both its diagonals and the lines joining the midpoints of its opposite sides

Lines of Symmetry of a Rectangle

A rectangle has 2 lines of symmetry. The lines of symmetry in a rectangle cut its opposite sides into equal parts.

Complete the following

lines of symmetry

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