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Shape and SpaceShape and SpaceQuadrilaterals & Quadrilaterals &

SymmetrySymmetry

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Let me teach youLet me teach you !!

What are What are Quadrilaterals & Quadrilaterals & Symmetry ????Symmetry ????

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ContentsContentsQuadrilateralsQuadrilaterals

• Square pg.1Square pg.1• Rhombus pg.2Rhombus pg.2• Rectangle pg.3Rectangle pg.3• Parallelogram pg.4Parallelogram pg.4• Kite pg.5Kite pg.5• Trapezium pg.6Trapezium pg.6

First we have First we have quadrilateralsquadrilaterals

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SquareSquare

• Four sides are Four sides are equal in lengthequal in length

• There are four right There are four right anglesangles

• 2 pairs of opposite 2 pairs of opposite sides are parallelsides are parallel

This is SQUARE

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RhombusRhombus• Four sides are Four sides are

equal in lengthequal in length• There are no right There are no right

angleangle• Each pair of Each pair of

opposite angles opposite angles are equal are equal respectivelyrespectively

• 2 pairs of opposite 2 pairs of opposite sides are parallelsides are parallel

This isRHOMBUS

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RectangleRectangle

• There are four right There are four right angleangle

• Each pair of Each pair of opposite sides are opposite sides are equal respectivelyequal respectively

• 2 pairs of opposite 2 pairs of opposite sides are parallelsides are parallel

This is RECTANGL

E

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ParallelogramParallelogram

• Each pair of Each pair of opposite side are opposite side are equal respectively.equal respectively.

• Each pair of Each pair of opposite angles are opposite angles are equal respectively.equal respectively.

• 2 pairs of opposite 2 pairs of opposite sides are parallel.sides are parallel.

This is PARALLELOGRAM

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KiteKite

• Only 1 pair of Only 1 pair of opposite angles are opposite angles are equalequal

• Each pair of adjacent Each pair of adjacent sides are equal sides are equal respectivelyrespectively This is

KITE

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TrapeziumTrapezium

• Only 1 pair of Only 1 pair of opposite sides are opposite sides are parallelparallel

This isTRAPEZIUM

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Have you Have you know more know more

aboutaboutQuadrilateralsQuadrilaterals??????????????????????

Yes but I still want Yes but I still want to know about to know about Symmetry !Symmetry !

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ContentsContents Symmetry Symmetry

• What is symmetry ? Pg.0What is symmetry ? Pg.0• Picture 1 pg.1Picture 1 pg.1• Picture 2 pg.2Picture 2 pg.2• Picture 3 pg.3Picture 3 pg.3• Picture 4 pg.4Picture 4 pg.4• Picture 5 pg.5Picture 5 pg.5• Picture 6 pg.6Picture 6 pg.6• Picture 7 pg.7Picture 7 pg.7• Picture 8 pg.8Picture 8 pg.8• Picture 9 pg.9Picture 9 pg.9• Picture 10 pg.10Picture 10 pg.10

Then we have Then we have SymmetrySymmetry

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What is SymmetryWhat is Symmetry

• Click and see this ……………

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

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Picture 1Picture 1

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Picture 2Picture 2

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Picture 3Picture 3

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Picture 4Picture 4

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Picture 5Picture 5

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Picture 6Picture 6

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Picture 7Picture 7

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Picture 8Picture 8

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Picture 9Picture 9

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Picture 10Picture 10

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Yeah!!!!!I know that is

SymmetryNOW

!!!!!!!!!!!!!!!!!!!!

ME TOO!!!!!!!!!!!!!!!!!!!!!!!!!!

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Pictures from:• www.yahoo.com.hk• www.google.com

Thank You for watching this PowerPoint.

Thank You !

Martha Chor P.4C (12)