Title: Symmetry
1SYMMETRY
WELL BALANCED ARRANGEMENT OF PARTS
2Line Symmetry
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EXIST WHEN TWO HALVES OF A FIGIURE CAN BE MADE
TO MATCH BY FOLDING ON A LINE
C
VERTICAL
HORIZONTAL
3ROTATIONAL SYMMETRY
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EXIST WHEN A FIGURE CAN BE ROTATED LESS THAN
360 0 ABOUT A CENTRAL POINT CALLED THE POINT
OF ROTATION
4Regular Polygons HaveRotational and Line
Symmetry
triangle
octagon
5Rotational Symmetry
1/3 or 120 0 symmetry
90, 180, 72, 60, 45
Equilateral triangle
6 Symmetry Is all around us cut an apple in
half and you will find
Rotational Symmetry
7Symmetry in nature
8Symmetry is found in nature, just look around
- Snow Flakes
- Insects
- Plants and flowers
- Animals
- Sea Life
- Can you think of more.
9Most animals have bilateral symmetry
10 Lets Review . . . Click on link to return to
page Line symmetry Rotational symmetry
For more review click on the image
- Which letters of the alphabet have
- horizontal symmetry?
- vertical line symmetry?
- rotational symmetry
- Does the font you use make a difference?
Print your full name in capital letters, what
kind of symmetry can you find?
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12 Your assignment.. You will design a quilt
using a variety of rotational symmetric
designs. You may use images from the internet
or clip art. Created with a compass