marble tile measures 10 cm × 14 CM. how many tiles will be required to cover wall of size 2.8 m × 4 m
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Answer:
Area of rectangle =l×b
The area of 1 tile =10×14=140cm
2
=0.014m
2
The area of wall =2.8×4=11.2m
2
No. of tiles required to cover a wall of size 11.2m
2
=
0.014
11.2
=800
Hence, 800 tiles will be required to cover a wall of size 2.8m×4m.
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