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Example 1: regular shapes. How many lines of symmetry does the equilateral triangle have? Locate the center of the 2D shape. 2 Draw a vertical line through the center and check for line symmetry. The vertical line through the center is a line of symmetry dividing the triangle into two equal halves that are mirror images of each other.
So this is not a Line of Symmetry. But when I try it this way, it does work (the folded part sits perfectly on top, all edges matching): So this is a Line of Symmetry. Triangles. A Triangle can have 3, or 1 or no lines of symmetry:
A regular hexagon is a polygon with 6 sides of equal measure. Answer: A regular hexagon has 6 lines of symmetry. For all regular polygons, the number of lines of symmetry is equal to the number of sides. Explanation: Let's observe the following figure to understand the lines of symmetry of a regular hexagon. We can see that a regular hexagon ...
A regular hexagon has six rotational symmetries (rotational symmetry of order six) and six reflection symmetries (six lines of symmetry), making up the dihedral group D 6. The longest diagonals of a regular hexagon, connecting diametrically opposite vertices, are twice the length of one side.
- Introduction
- What Is Line Is symmetry?
- Types of Line Symmetry
- 1 Line Symmetry
- 2 Lines Symmetry
- 3 Lines Symmetry
- 4 Lines Symmetry
- 5 Lines Symmetry
- 6 Lines Symmetry
- Infinite Lines of Symmetry
We have a number of figures in mathematics that are so evenly balanced n different sizes and shapes. Let us observe the following figures – We can observe that for each figure the one half on one side of the dotted line is exactly identical to the one half on the other side of the dotted line. In other words, we can say that the two halves are mirr...
We say that a given line has a line of symmetry or it is symmetrical about a lineif the line divides a given figure into two identical halves. The line is called the axis of symmetry or line of symmetry.
There are two types of line symmetries according to which we can classify the symmetries in different geometrical figures. These types are – 1. Horizontal Lines of Symmetry 2. Vertical Line of Symmetry Let us discuss them in detail
A geometrical figure is said to have one line of symmetry if it is symmetrical about one line of axis only. Let us consider some examples.
A geometrical figure is said to have two lines of symmetry if it is symmetrical about two lines of axis only. Let us consider some examples.
A geometrical figure is said to have three lines of symmetry if it is symmetrical about three lines of axis only. Let us consider some examples.
A geometrical figure is said to have four lines of symmetry if it is symmetrical about four lines of axis only. Let us consider some examples.
A geometrical figure is said to have five lines of symmetry if it is symmetrical about five lines of axis only. Let us consider some examples.
A geometrical figure is said of having six lines of symmetry if it is symmetrical about six lines of axis only. Let us consider some examples.
A geometrical figure is said of having infinite lines of symmetry if it is symmetrical about infinite lines of the axis. Let us consider some examples.
Lines of symmetry in regular shapes. Many 2D shapes have lines of symmetry. Regular polygons all share the property that the number of sides is equal to the number of lines of symmetry. Below is a couple of examples of these cases:
A line of symmetry is like a fold-line. Any shape that can be folded down a line to get two matching halves is said to have a line symmetry. The number of lines of symmetry for a shape can be determined by using a ruler to visualize when the shape or object can be divided equally into 2 equal pieces that are a reflection of each other. For example,