In everyday life, we find many objects with perfect, properly balanced shapes. One of the key factors behind it is symmetry.
To understand this better, let us say you have a square sheet of cardboard. Draw a line through its centre, which is parallel to any of its sides. If you fold it along that line, you will see that the two halves are mirror images of each other, and the line at the centre is called the line of symmetry.
Now, a shape can have many lines of symmetry. The more lines of symmetry a shape has, the better balanced it is.
In this chapter, we will explore the concept of symmetry in detail. Here are a few topics we shall cover:
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Identifying Lines of Symmetry in Given Figures
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Figures with Multiple Lines of Symmetry
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Reflection and Symmetry
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Types of Symmetry
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Some common shapes and their lines of symmetry.
Let us get started.