Shape and space

quadrilateral &

symmetry

contentcontent

squaresquareRectangleRectanglerhombusrhombusParallelogramParallelogramTrapeziumTrapeziumKiteKitesymmetrysymmetry

QuadrilateralsQuadrilaterals

Quadrilaterals are shapes , they have four Quadrilaterals are shapes , they have four sides.sides.

e.g.: square, rectangle, rhombus, e.g.: square, rectangle, rhombus, parallelogram ……parallelogram ……

squaresquare

Square haveSquare have fourfour sides sides The four sides are The four sides are equal equal in lengthin length

rectanglerectangle

There are four right anglesThere are four right angles There are 2 parallel opposite sidesThere are 2 parallel opposite sides

rhombusrhombusThe 4 sides are The 4 sides are equal in lengthequal in length

There are no right There are no right anglesangles

Parallelogram

Parallelogram has 2 parallel opposite

Sides

• Trapezium have 1 parallel opposite sidesTrapezium have 1 parallel opposite sides• There are no right anglesThere are no right angles

kite

There are NO parallel sides

No right angles

symmetry

Symmetry are things that are equal

e.g. butterflies , shapes ……It’s like a mirror . these are

some symmetrical picture.

Where to find symmetry pictures

www.yahoo.com.hk www. google .com.hk www.wikipedia.com.hk

Symmetry pictures

Thank youThank you

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