Some Geometrical Objects in Our Environment
-
Upload
ramona-chapman -
Category
Documents
-
view
13 -
download
0
description
Transcript of Some Geometrical Objects in Our Environment
Some Geometrical Objects in Our Some Geometrical Objects in Our EnvironmentEnvironment
Solid FiguresSome objects which we can see in our environment are called solid figures. You have probably seen objects that have these shapes.
cube sphere
cylinder cone pyramid
You can think of real objects that have these shapes. For example,a tennis ball is a sphere.
Some objects which we can see in our environment are called solid figures. You have probably seen objects that have these shapes.
You can think of real objects that have these shapes. For example,a tennis ball is a sphere.
Solid Figures
rectangular prism
- This box is a rectangular
prism. - Each corner of the box is a vertex of the prism. - Each edge of the box is an edge of the prism. - Each side of the box is a face of the prism.
Rectangular prismRectangular prism
- This box is a rectangular
prism. - Each corner of the box is a vertex of the prism. - Each edge of the box is an edge of the prism. - Each side of the box is a face of the prism.
1. Rectangular prism
A rectangular prism has 8 vertices, 12 edges and 6 faces.
Edge
Vertex
Face
A cube has 8 vertices, 12 edges and 6 faces.
2. CubeVertex
Edge
Face
A rectangular prism has 8 vertices, 12 edges and 6 faces.
A cube has 8 vertices, 12 edges and 6 faces.
3.Sphere
4. Cylinder
Edge
Face
A sphere has no faces, edges or vertices.
A cylinder has 0 edges and 2 faces.
5.Cone
Edge
Vertex
Face
6. Pyramid
Edge
Vertex
Face
A pyramid has 5 faces, 5 vertices and 8 edges.
A cone has 1 faces, 1 vertex and 0 edge.
A pyramid has 5 faces, 5 vertices and 8 edges.
Figures that lie on a flat surface is called the plane figures.
Plane Figures
Triangle Rectangle Square
CircleHexagonPentagon
Rectangular prism Rectangle
Cube Square
Sphere Circle
Plane Figures
Cylinder Circle
Pyramid Triangle
Plane Figures
Solid Figure
Number of Faces
Number of Edges
Number of Vertices
Exercise - 1
Exercise - 2
Exercise - 3
Exercise - 4
Game
triangle
Can
you
name
the
shapes? rectangle
square
circleGood work
!
Good work
!
Name Shapes
Press spacebar
( It is from the Bangkok Resources )
Resources
The following URL is a starting place, feel free to search the
Internet for other related information.
http://www.math.com/school/subject3/lessons/S3U4L4GL.html
Presented by : Daw Khin Ma Gyi(Senior Teacher)
No(2) B.E.H.S Dagon
Union of Myanmar