Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
www.numeracysoftware.com
Properties of 2-D Shapes
Equilateral Triangle
Isosceles Triangle
Right-Angled Triangle
Scalene Tr...
www.numeracysoftware.com
Equilateral Triangle
All three sides are the same length
and all three angles are equal.
Key Feat...
www.numeracysoftware.com
Isosceles Triangle
A triangle with two equal sides and two
equal angles.
Key Features
Lines of Sy...
www.numeracysoftware.com
Scalene Triangle
A triangle with three different sides and
three different angles.
Key Features
L...
www.numeracysoftware.com
Right-Angled Triangle
A triangle with one right-angle.
Key Features
Lines of Symmetry?
Rotational...
www.numeracysoftware.com
Quadrilateral
A shape with four sides.
Key Features
Lines of Symmetry?
Rotational Symmetry?
It de...
www.numeracysoftware.com
Rectangle
A quadrilateral with four right-angles.
Opposite sides are the same length.
Key Feature...
www.numeracysoftware.com
Square
A quadrilateral with four equal sides
and four right-angles.
Key Features
Lines of Symmetr...
www.numeracysoftware.com
Parallelogram
A quadrilateral with opposite sides that
are parallel and the same length.
Key Feat...
www.numeracysoftware.com
Oblong
A rectangle which is not a square.
Key Features
Lines of Symmetry?
Rotational Symmetry?
Tw...
www.numeracysoftware.com
Trapezium
A quadrilateral with just one pair of parallel
sides.
Key Features
Lines of Symmetry?
R...
www.numeracysoftware.com
Rhombus
A quadrilateral with four equal sides.
Key Features
Lines of Symmetry?
Rotational Symmetr...
www.numeracysoftware.com
Kite
A quadrilateral with two pairs of
adjacent sides that are equal.
Key Features
Lines of Symme...
www.numeracysoftware.com
Regular Pentagon
A shape with five equal sides and
five equal angles.
Key Features
Lines of Symme...
www.numeracysoftware.com
Regular Hexagon
A shape with six equal sides and six
equal angles.
Key Features
Lines of Symmetry...
www.numeracysoftware.com
Regular Octagon
A shape with eight equal sides and
eight equal angles.
Key Features
Lines of Symm...
www.numeracysoftware.com
Regular Decagon
A shape with ten equal sides and
ten equal angles.
Key Features
Lines of Symmetry...
www.numeracysoftware.com
Circle
Every point on the circumference is
the same distance from the centre.
Key Features
Lines ...
www.numeracysoftware.com
END OF PRESENTATION
Upcoming SlideShare
Loading in …5
×

2 d shapes v

463 views

Published on

Shapes

Published in: Education
  • Be the first to comment

  • Be the first to like this

2 d shapes v

  1. 1. www.numeracysoftware.com Properties of 2-D Shapes Equilateral Triangle Isosceles Triangle Right-Angled Triangle Scalene Triangle Quadrilateral Rectangle Square Oblong Parallelogram Trapezium Rhombus Kite Regular Pentagon Regular Hexagon Regular Octagon Regular Decagon Circle
  2. 2. www.numeracysoftware.com Equilateral Triangle All three sides are the same length and all three angles are equal. Key Features Lines of Symmetry? Rotational Symmetry? Three. Order 3.
  3. 3. www.numeracysoftware.com Isosceles Triangle A triangle with two equal sides and two equal angles. Key Features Lines of Symmetry? Rotational Symmetry? One. None.
  4. 4. www.numeracysoftware.com Scalene Triangle A triangle with three different sides and three different angles. Key Features Lines of Symmetry? Rotational Symmetry? None. None.
  5. 5. www.numeracysoftware.com Right-Angled Triangle A triangle with one right-angle. Key Features Lines of Symmetry? Rotational Symmetry? Only if it’s an isosceles triangle - one line. None. Can a Triangle be Right-Angled and Isosceles? Yes.
  6. 6. www.numeracysoftware.com Quadrilateral A shape with four sides. Key Features Lines of Symmetry? Rotational Symmetry? It depends on what sort of quadrilateral it is. It depends on what sort of quadrilateral it is. Names of Special Quadrilaterals Rectangle, Square, Parallelogram, Trapezium, Rhombus, Kite.
  7. 7. www.numeracysoftware.com Rectangle A quadrilateral with four right-angles. Opposite sides are the same length. Key Features Lines of Symmetry? Rotational Symmetry? Two, unless the rectangle is a square. Order 2, unless the rectangle is a square. Is a Rectangle a Parallelogram? Yes, because both pairs of opposite sides are parallel.
  8. 8. www.numeracysoftware.com Square A quadrilateral with four equal sides and four right-angles. Key Features Lines of Symmetry? Rotational Symmetry? Four. Order 4. Is a Square a Rectangle? Yes, because it’s a quadrilateral with four right-angles. Is a Square a Parallelogram? Yes, because both pairs of opposite sides are parallel. Is a Square a Rhombus? Yes, because it’s got four sides all the same length.
  9. 9. www.numeracysoftware.com Parallelogram A quadrilateral with opposite sides that are parallel and the same length. Key Features Lines of Symmetry? Rotational Symmetry? Only if it’s a rectangle, a square or a rhombus. Order 2.
  10. 10. www.numeracysoftware.com Oblong A rectangle which is not a square. Key Features Lines of Symmetry? Rotational Symmetry? Two. Order 2. Is an Oblong a Parallelogram? Yes, because both pairs of opposite sides are parallel.
  11. 11. www.numeracysoftware.com Trapezium A quadrilateral with just one pair of parallel sides. Key Features Lines of Symmetry? Rotational Symmetry? Only if it’s an isosceles trapezium. None.
  12. 12. www.numeracysoftware.com Rhombus A quadrilateral with four equal sides. Key Features Lines of Symmetry? Rotational Symmetry? Two. Order 2. Is a Rhombus a Parallelogram? Yes, because both pairs of opposite sides are parallel.
  13. 13. www.numeracysoftware.com Kite A quadrilateral with two pairs of adjacent sides that are equal. Key Features Lines of Symmetry? Rotational Symmetry? One. None.
  14. 14. www.numeracysoftware.com Regular Pentagon A shape with five equal sides and five equal angles. Key Features Lines of Symmetry? Rotational Symmetry? Five. Order 5.
  15. 15. www.numeracysoftware.com Regular Hexagon A shape with six equal sides and six equal angles. Key Features Lines of Symmetry? Rotational Symmetry? Six. Order 6.
  16. 16. www.numeracysoftware.com Regular Octagon A shape with eight equal sides and eight equal angles. Key Features Lines of Symmetry? Rotational Symmetry? Eight. Order 8.
  17. 17. www.numeracysoftware.com Regular Decagon A shape with ten equal sides and ten equal angles. Key Features Lines of Symmetry? Rotational Symmetry? Ten. Order 10.
  18. 18. www.numeracysoftware.com Circle Every point on the circumference is the same distance from the centre. Key Features Lines of Symmetry? Rotational Symmetry? Infinite. Order infinity.
  19. 19. www.numeracysoftware.com END OF PRESENTATION

×