It is not crucial that every the figurespossess a line or present of the opposite in different figures.

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Figures may have:

No heat of symmetry

1, 2, 3, 4 …… currently of symmetry

Infinite present of symmetry


Let us take into consideration a perform of examples and findout currently of the opposite in different figures:

1. Heat segment:


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In the figure there is one line of symmetry.The figure is symmetric along the perpendicular bisector l.

2. An angle:


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In the figure there is one line of symmetry.The figure is symmetric along the edge bisector OC.

3. An isosceles triangle:


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In the number there is one line of symmetry.The number is symmetric follow me the bisector of the upright angle. The typical XL.

4. Semi-circle:


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In the number there is one line of symmetry.The figure is symmetric follow me the perpendicular bisector l. The the diameter XY.

5. Kite:


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In the number there is one heat of symmetry.The number is symmetric follow me the diagonal line QS.

6. Isosceles trapezium:


In the figure there is one heat of symmetry.The figure is symmetric along the line l joining the midpoints of two parallel sides abdominal muscle and DC.

7.Rectangle:


In the number there are two lines ofsymmetry. The figure is symmetric follow me the present l and also m joining the midpoints ofopposite sides.

8. Rhombus:


In the number there are two lines of symmetry.The figure is symmetric along the diagonals AC and also BD of the figure.

9. It is provided triangle:


In the number there are three currently of symmetry.The figure is symmetric follow me the 3 medians PU, QT and also RS.

10. Square:


In the number there are four lines ofsymmetry. The number is symmetric follow me the 2diagonals and also 2 midpoints ofopposite sides.

11. Circle:


In the figure there are infinite lines ofsymmetry. The number is symmetric follow me all the diameters.

Note:

Each continual polygon (equilateral triangle,square, rhombus, constant pentagon, continual hexagon etc.) are symmetry.

The variety of lines of symmetry in a regularpolygon is equal to the number of sides a constant polygon has.

Some numbers like scalene triangle andparallelogram have actually no currently of symmetry.

Lines of the contrary in letter of the English alphabet:

Letters having one heat of symmetry:

A B C D E K M T U V W Y have actually one heat of symmetry.

A M T U V W Y have actually vertical heat of symmetry.

B C D E K have horizontal line of symmetry.


Letter having both horizontal and vertical lines of symmetry:

H i X have two lines of symmetry.


Letter having actually no lines of symmetry:

F G J together N p Q R S Z have neither horizontal nor vertical lines of symmetry.


Letters having infinite currently of symmetry:

O has infinite currently of symmetry. Infinite number of lines passes v the allude symmetry about the center O with all feasible diameters.


Lines of Symmetry

● Related ideas

● linear Symmetry

● allude Symmetry

● Rotational symmetry

● bespeak of Rotational Symmetry

● varieties of symmetry

● Reflection

● reflection of a allude in x-axis

● reflection of a point in y-axis

● reflection of a allude in beginning

● Rotation

● 90 level Clockwise Rotation

● 90 level Anticlockwise Rotation

● 180 degree Rotation

7th Grade mathematics Problems8th Grade mathematics PracticeFrom present of the opposite to residence PAGE


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