hameed has built a cubical water tank with lid for his house with each outer edge 1.5 m long he gets the outer surface of the tank excluding the base covered with square tiles of side 25 cm find how much we would spend for the tiles if the cost of the tiles rupees 360 per dozen
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The Lateral Surface area is to be found first.
LSA = 4a^2
= 4 × 1.5 × 1.5
= 4 × 2.25
= 9 m^2
= 90000cm^2.
Area of one tile = 25 × 25 = 625 cm^2
Number of tiles needed
= 90000/625 = 144.
So 144 tiles are needed. Cost of tiles = 360 per dozen.
Tiles = 12 dozen.
Total cost = 360 × 12 = RS.4320.
Please mark as Brainliest.
LSA = 4a^2
= 4 × 1.5 × 1.5
= 4 × 2.25
= 9 m^2
= 90000cm^2.
Area of one tile = 25 × 25 = 625 cm^2
Number of tiles needed
= 90000/625 = 144.
So 144 tiles are needed. Cost of tiles = 360 per dozen.
Tiles = 12 dozen.
Total cost = 360 × 12 = RS.4320.
Please mark as Brainliest.
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