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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.
www.bbc.co.uk/bitesize/articles/z8t72p3
You can find if a shape has a Line of Symmetry by folding it. When the folded part sits perfectly on top (all edges matching), then the fold line is a Line of Symmetry. Here I have folded a rectangle one way, and it didn't work .
- Reflection Symmetry
Example Shape : Plane Shapes. Not all shapes have lines of...
- Reflection Symmetry
A 2D shape is symmetrical if you draw a line through it and it looks exactly the same on either side of the line. Find out more in this KS1 Bitesize guide.
- Symmetry in Mathematics
- Line of Symmetry
- Types of Symmetry
- Symmetrical Shapes
In Mathematics, a meaning of symmetry defines that one shape is exactly like the other shape when it is moved, rotated, or flipped. Consider an example, when you are told to cut out a ‘heart’ from a piece of paper, don’t you simply fold the paper, draw one-half of the heart at the fold and cut it out to find that the other half exactly matches the ...
The imaginary line or axis along which you fold a figure to obtain the symmetrical halves is called the line of symmetry. It basically divides an object into two mirror-image halves. The line of symmetry can be vertical, horizontal or diagonal. There may be one or more lines of symmetry.
Symmetry may be viewed when you flip, slide or turn an object. There are four types of symmetry that can be observed in various situations, they are: 1. Translation Symmetry 2. Rotational Symmetry 3. Reflection Symmetry 4. Glide Symmetry
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. Also, it is possible that some shapes does not have symmetry. For example, a tree may or may not ...
- 3 min
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.
In mathematics, especially in geometry and its applications, an object is said to have symmetry if it can be divided into two identical halves. For example, look at the given picture of a flower: If we were to draw an imaginary line in the middle of it, we could divide it into two equal parts like this:
A 2D shape is symmetrical if you can draw a line through it and it looks exactly the same either side. This line is called a line of symmetry.
