Question

Amit built a cubical water tank with lid for his house with square tiles of side 20cm find how much would he spend for the tiles if the cost of the tiles is rupee480 per dozen. also find the volume of water the tank can hold​

Answer 1

Step-by-step explanation:

The length of the each side of water tank

= 1.5m = 150cm

As it is given that base is not covered with tiles so, five sides of the tank are covered with tiles.

Therefore,

Surface area of water tank = 5a? = = 5(150)2 = 112500 cm

Side of tile = 25 cm

Area of tile = 252 = 625 cm

Number of tiles to cover five sides of the = 180

tank =

Now, 112500 /625 = 180