Some Geometrical Objects in Our Environment Solid Figures Some objects which we can see in our...

14
Some Geometrical Objects in Our Some Geometrical Objects in Our Environment Environment

Transcript of Some Geometrical Objects in Our Environment Solid Figures Some objects which we can see in our...

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