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- A 2D shape is symmetrical if a line can be drawn through it and either side is a reflection of the other. The line is called a line of symmetry. This is sometimes called a 'mirror line' or 'mirror symmetry', because if you put a mirror on the line, the reflection would show the whole shape.
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Symmetry is a property of an object that allows us to divide it into two identical halves, which are mirror images of each other. Learn about lines of symmetry & more.
A shape or an object has symmetry if it can be divided into two identical pieces. In a symmetrical shape, one-half is the mirror image of the other half. The imaginary axis or line along which the figure can be folded to obtain the symmetrical halves is called the line of symmetry.
When an imaginary line is drawn through a shape to make one side of the line a true reflection of the other (and vice versa), the shape is known as symmetrical. Examples of objects in the real world that are symmetrical include snowflakes, the feathers of peacocks, and the wings of butterflies.
The symmetry of shapes can be identified whether it is a line of symmetry, reflection or rotational based on the appearance of the shape. The shapes can be regular or irregular. Based on their regularity, the shapes can have symmetry in different ways.
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Aug 3, 2023 · In mathematics, symmetry is the property that divides a geometrical shape into two identical halves. Heart shape, an equilateral triangle, and a rhombus are all examples of symmetry. Such shapes are called symmetric.
How do you know if a shape is symmetrical? A 2D shape is symmetrical if a line can be drawn through it and either side is a reflection of the other. You would call this the line of symmetry .
Key points. To understand symmetry a good understanding of shapes, including regular polygons and triangles, can be helpful. There are two types of symmetry: reflective and rotational. If a shape...
