3D SHAPES PROPERTIES

1. Escola la Maquinista SHAPE AND SPACE
3D SHAPES
 Three-dimensional shapes,
because there are 3 dimensions
HEIGHT, WIDTH and DEPTH

2. Escola la Maquinista SHAPE AND SPACE
HEIGHT, WIDTH AND DEPTH

3. Escola la Maquinista SHAPE AND SPACE
BASIC PROPERTIES
FACES, VERTICES and EDGES
3D shapes can be described in 3
ways:
Faces – the sides of the shape
Vertices – the corners
Edges – where the faces meet
FACES
VERTICES EDGES

4. Escola la Maquinista SHAPE AND SPACE
SOME FAMOUS SHAPES
CONE
Faces – 2
Edges – 1
Vertices - 1

5. Escola la Maquinista SHAPE AND SPACE
CYLINDER
Faces – 3
Edges – 2
Vertices - 0

6. Escola la Maquinista SHAPE AND SPACE
SOME FAMOUS SHAPES
SPHERE
Faces – 1
Edges – 1
Vertices - 0

7. Escola la Maquinista SHAPE AND SPACE
SOME FAMOUS SHAPES
SQUARE BASED
PYRAMID
Faces – 5
Edges – 8
Vertices - 5

8. Escola la Maquinista SHAPE AND SPACE
SOME FAMOUS SHAPES
CUBE
Faces – 6
Edges – 12
Vertices - 8
SOME FAMOUS SHAPES

9. Escola la Maquinista SHAPE AND SPACE
TRIANGULAR PRISM
Faces – 5
Edges – 9
Vertices - 6

10. Escola la Maquinista SHAPE AND SPACE
TRIANGULAR BASED
PYRAMID
(Tetrahedron)
Faces – 4
Edges – 6
Vertices - 4

11. Escola la Maquinista SHAPE AND SPACE
CUBOID (square prism)
Faces – 6
Edges – 12
Vertices - 8

12. Escola la Maquinista SHAPE AND SPACE
3D SHAPES
 can be divided in
POLYHEDRA and
NON POLYHEDRA

13. Escola la Maquinista SHAPE AND SPACE
POLYHEDRA
also polyhedrons
A polyhedron is a 3d shape with
FLAT FACES
(from Greek poly- meaning "many" and -edron meaning "face").

14. Escola la Maquinista SHAPE AND SPACE
We name polyhedra
according to the
NUMBER
OF FACES

15. Escola la Maquinista SHAPE AND SPACE
4 faces TETRAHEDRON
5 faces PENTAHEDRON
6 faces HEXAHEDRON
7 faces HEPTAHEDRON
… 20 ICOSAHEDRON

16. Escola la Maquinista SHAPE AND SPACE
Can you name these
shapes?

17. Escola la Maquinista SHAPE AND SPACE
POLYHEDRA
can be …
REGULAR and
IRREGUALR

18. Escola la Maquinista SHAPE AND SPACE
REGULAR
POLYHEDRA
All its faces are
regular polygons

19. Escola la Maquinista SHAPE AND SPACE
There are only 9
Regular Polyhedra
Tetrahedron Cube Octahedron Dodecahedron Icosahedron
Small Stellated Great Great Stellated Great
Dodecahedron Dodecahedron Dodecahedron Icosahedron

20. Escola la Maquinista SHAPE AND SPACE
IRREGULAR
POLYHEDRA
NOT all its faces are
regular polygons

21. Escola la Maquinista SHAPE AND SPACE
NON POLYHEDRA
also non polyhedrons
A polyhedron is a 3d shape with
any
CURVED FACES

22. Escola la Maquinista SHAPE AND SPACE
The most famous are
cone cylinder sphere
torus

23. Escola la Maquinista SHAPE AND SPACE
POLYHEDRA
NON
POLYHYEDRA3D SHAPES
(height, width, depth)
REGULAR IRREGULAR

24. Escola la Maquinista SHAPE AND SPACE
POLYHEDRONS IN NATURE
LIMPET
WASP NEST POMEGRANATE PIPE