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Quadrilateral & Symmetry

By 4C Jasmine Kay (18)

Contents

Quadrilateral Square Rectangle Kite Parallelogram Trapezium Symmetry Symmetry-Picture1

Contents 2

Symmetry picture 2 Symmetry picture 3

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Quadrilateral

• Quadrilateral are four-sided shapes.• E.g. Squares, Rectangle, Rhombus,…

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Squares

• Four sides equal in length.• Four right angles.• Two pairs of parallel lines.

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Rectangles

• Four right angles.• 2 pairs of opposite sides are equal in

length.• There are two pairs of parallel

opposite sides.

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Kite

• There are 2 pairs of adjacent sides equal in length.

• The opposite sides are not parallel.

• There is 1 pair of opposite angles at the same size.

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Parallelogram

• 2 pairs of opposite sides are equal in length.

• 2 pairs of parallel opposite sides.

• 2 pairs of opposite angles at the same size.

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Trapezium

• There is only one pair of parallel opposite sides.

• The parallel sides are not equal in length.

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Symmetry

• Symmetry is a picture that the half side is the same of the half side.

• Let’s see some examples!

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MTR

• This is a example of symmetrical shape.

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Heart

• Heart is a symmetrical shape too!

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Apple

• Apple is a symmetrical shape also!

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Reference

• www.yahoo.com.hk

• www.google.com.hk

• http://en.wikipedia.org/wiki/Symmetry

• http://en.wikipedia.org/wiki/Quadrilateral

The EndThe End