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Properties of Shapes
Number of sidesNumber of anglesNumber of lines of symmetryRegular or irregularRight AnglesParallel lines
Shapes
Quadrilaterals
Triangles
Polygons
Key Words
Regular Shapes
Quadrilaterals
Shapes with 4 sides!
What shape is this?
Quadrilaterals
A Square
Quadrilaterals
Properties of a Square Has 4 equal sides Has 4 equal angles Each angle is a right angle Has 4 lines of symmetry Is a regular shape
Quadrilaterals
What shape is this?
Quadrilaterals
A Rectangle
Quadrilaterals
Properties of a Rectangle Has 2 pairs of equal sides Has 4 equal angles Each angle is a right angle Has 2 lines of symmetry Is an irregular shape
Quadrilaterals
What shape is this?
Quadrilaterals
A Parallelogram
Quadrilaterals
Properties of a Parallelogram
Has 2 pairs of equal sides Has 2 pairs of equal angles Opposite sides are parallel Has NO lines of symmetry Is an irregular shape
Quadrilaterals
What shape is this?
Quadrilaterals
A Rhombus
Quadrilaterals
Properties of a Rhombus Has 4 equal sides Has 2 pairs of equal angles Opposite sides are parallel Has 2 lines of symmetry Is an irregular shape
Quadrilaterals
What shape is this?
Quadrilaterals
A Trapezium
Quadrilaterals
Properties of a Trapezium
Has unequal sidesOne pair of opposite sides are parallel Usually has NO lines of symmetry Is an irregular shape
Quadrilaterals
Quadrilaterals
Shapes with 4 sides!
Quadrilaterals
Triangles
Shapes with 3 sides!
What type of triangle is this?
Triangles
An Equilateral Triangle
Triangles
Properties of an Equilateral Triangle
Has 3 equal sides Has 3 equal angles Each angle is a 60o angle Has 3 lines of symmetry Is a regular shape
Triangles
What type of triangle is this?
Triangles
A Right Angled Triangle
Triangles
A Right Angled Triangle is different
It may be scalene or it may be isosceles
But it always has a right angle!
Triangles
Properties of a Right Angled Triangle
Has 1 right angle May be an isosceles triangleMay have 1 line of symmetry Is an irregular shape
It will be isosceles and have 1 line of symmetry when these 2
sides are equal.
Triangles
Triangles
Shapes with 3 sides!
Triangles
Key Words
Parallel Perpendicular
Diagonal
Vertex
Bisect
Regular Shape
Regular ShapeShapes are regular when
All their angles are the same size
All their sides are the same length
Polygons
Shapes with many sides!
What shape is this?
Polygons
A Hexagon
Polygons
Properties of a Regular Hexagon
Has 6 equal sides Has 6 equal anglesHas 6 lines of symmetry
Polygons
What shape is this?
Polygons
A Pentagon
Polygons
Properties of a Regular Pentagon
Has 5 equal sides Has 5 equal anglesHas 5 lines of symmetry
Polygons
Polygons
Shapes with many sides!
Polygons
Regular shapes
All the sides are the same length
All the angles are equal
Have the same number of lines ofsymmetry as the number of sides
RegularShapes
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