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WELL BALANCED ARRANGEMENT OF PARTS Line Symmetry EXIST WHEN TWO HALVES OF A FIGIURE CAN BE MADE TO MATCH BY FOLDING ON A LINE C VERTICALHORIZONTAL back.

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Presentation on theme: "WELL BALANCED ARRANGEMENT OF PARTS Line Symmetry EXIST WHEN TWO HALVES OF A FIGIURE CAN BE MADE TO MATCH BY FOLDING ON A LINE C VERTICALHORIZONTAL back."— Presentation transcript:

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2 WELL BALANCED ARRANGEMENT OF PARTS

3 Line Symmetry EXIST WHEN TWO HALVES OF A FIGIURE CAN BE MADE TO MATCH BY FOLDING ON A LINE C VERTICALHORIZONTAL back

4 ROTATIONAL SYMMETRY EXIST WHEN A FIGURE CAN BE ROTATED LESS THAN 360 0 ABOUT A CENTRAL POINT CALLED THE POINT OF ROTATION back

5 Regular Polygons Have Rotational and Line Symmetry

6 Rotational Symmetry 1.Square 2.Rectangle 3.Pentagon 4.Hexagon 5.Octagon What symmetry do the following polygons have? 1/3 or 120 0 symmetry Equilateral triangle 90, 180, 72, 60, 45

7 S ymmetry Is all around us Is all around us cut an apple in half and you will find and you will find Rotational Symmetry

8 S ymmetry in nature

9 S ymmetry is found in nature, just look around… Snow Flakes Insects Plants and flowers Animals Sea Life Can you think of more….

10 Most animals have bilateral symmetry

11 Lets Review... Click on link to return to page Line symmetry Rotational symmetry 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? For more review click on the image A

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13 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


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