Find the volume of a rectangular parallelepiped in three dimensions: 2dm, 4dm, 9dm.

To solve this problem, we need to recall the formula for finding the volume of a rectangular parallelepiped: V = abc, where

a is the length of the parallelepiped;
b is the width of the parallelepiped;
c – the height of the parallelepiped.

By the condition of the problem, suppose that 2 dm is the height, 4 dm is the width, and 9 dm is the length.

Then, substituting into the formula, we find out the volume of the parallelepiped:

V = 9 * 4 * 2 = 72 dm ^ 3, where “*” is the multiplication symbol.

Please also note that volume is measured in cubic decimeters.

Answer: 72 dm ^ 3