"Volume of a Cube" PPT

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"Volume of a Cube" PPT

Part One: Analysis of Examples

Example 4. Calculate the volume of the cube below.

Can the volume of a cube be calculated using the volume formula of a cuboid? Why?

Yes, because a cube is a rectangular parallelepiped with equal length, width, and height...

3×3×3=27 (cubic centimeters)

Summarize the volume formula of a cube yourself.

Volume of cube = edge length × edge length × edge length

If V is used to represent the volume of the cube, and a is used to represent the edge length of the cube, then the volume formula of the cube can be written as:

V = a×a×a = a·a·a

V = a³

a³ is pronounced "a cubed" and means three a's multiplied together.

The volume of the cube PPT, the second part of the content: practice:

Calculate the area of ​​the cuboid and cube below.

20×20×5=2000（cm³）

8×12×4=384（dm³）

2×2×2=8（m³）

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Update Time: 2024-11-02

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