A rectangular hall is 12m long and 6m broad. it's floaring is be made by square tiles of side 30cm how many tiles will fit in the entire hall?how many tiles would be required if tiles of 15cm were used?
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Answer:
800 tiles, 3200 tiles
Step-by-step explanation:
area of hall is 72m^2
area of 1 square tile is 30×30 = 900cm^2
in m^2= 900cm^2÷100×100=0.09m^2
no. of tiles= 72m^2÷0.09m^2= 800 tiles
area of 15×15 cm tiles=225cm^2
in m^2= 0.0225m^2
no of tiles = 72m^2÷0.0225m^2= 3200 tiles
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