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The volume of a rectangular prism is the space occupied by the 3D object. Here's how to find it:

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The volume of a rectangular prism is the space occupied by the 3D object. Here's how to find it:

Method 1: Using the formula

The most common way to find the volume of a rectangular prism is to multiply the length (long side), width (short side), and height of the prism.

Formula:

Volume = Length x Width x Height

  • Length (L): This is the longest side of the rectangle base.
  • Width (W): This is the shorter side of the rectangle base.
  • Height (H): This is the distance between the two rectangular bases (the upright side).


Method 2: Visualizing the small cubes inside (works best for understanding the concept)

Imagine the rectangular prism is filled with tiny cubes. The number of cubes along the length, width, and height direction will represent the volume. By multiplying the number of cubes along each direction, you essentially calculate the total volume.

Units:

  • Remember to use the same unit of measurement for all sides (length, width, and height) when calculating the volume. The final volume unit will be cubic units (e.g., cubic meters, cubic centimeters, etc.).

Real-world examples:

  • Finding the volume of a shoebox: You can measure the length, width, and height of the shoebox and use the formula to find the volume (in cubic meters or liters).
  • Calculating the amount of water a rectangular pool can hold: By knowing the pool's dimensions (length, width, and depth), you can use the formula to find the volume of water the pool can hold (in cubic meters).

By understanding these methods and the units involved, you can effectively find the volume of any rectangular prism.

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