Question

wide? If the cost of a tile is 2.50, find the cost for covering the floor with the tiles.
2 660 tiles each 15cm long and 12cm wide are required to pave a corridor. Find
3 9000 square tiles of size 20cm are required to pave the floor of a hall. Find
EXERCISE 17(D)
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Answer 1

Step-by-step explanation:

Surface area of one tile 20×20=400cm

2

Total surface area of the tiles=9000×400=3600000cm

2

So, surface area pf floor =360m

2

Hence, area of the floor of the hall is 360m

2

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