1.

A room whose floor is a square of side 6 cm contains 180 cubic metres of air. Find the height of the room.

Answer»

Let height of the room be h. 

Here the room is of square floor, so we can write:

6 x 6 x h = 180 m3 (Volume = 180 m3)

⇒ h = \(\frac { 180 }{ 6\times6 }\)

⇒ h = 5 m



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