A rectangular room 8m long and 5m wide,contains 120m³ of air.calculate the height of the room.

120 / (8*5) = 12/4 = 3 meters

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To calculate the height of the room, we can use the formula for the volume of a rectangular room:

Volume = Length × Width × Height

Given that the volume of the room is 120 m³ and the length and width are 8m and 5m, respectively, we can substitute these values into the equation:

120 = 8 × 5 × Height

Now, rearrange the equation to solve for the height:

Height = 120 / (8 × 5)

Height = 120 / 40

Height = 3

Therefore, the height of the room is 3 meters.

To calculate the height of the room, we need to use the formula for the volume of a rectangular box, which is equal to the product of its length, width, and height.

Given:
Length of the room (L) = 8m
Width of the room (W) = 5m
Volume of the room (V) = 120m³

Let's call the height of the room as H.

The formula for volume is: V = L * W * H

We can rearrange this formula to solve for H:
H = V / (L * W)

Substituting the given values:
H = 120m³ / (8m * 5m)

Now, we can solve the equation:
H = 120m³ / 40m²

Simplify the equation:
H = 3m

Therefore, the height of the room is 3 meters.