a swimming pool is 30 M long 10 metre wide and 2.5 M deep its wall have been covered with tiles of size 20 cm ×10 cm. find the number of tiles to be used on its floor and four walls
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Answered by
3
Answer:
Step-by-step explanation:10*30*2.5=75,200*4=800/75=10.6
Answered by
4
Step-by-step explanation:
Area of 4 walls and floor
= 2(l+b)h + lb
= 2(30+10)2.5 + (30×10)
= 200+300
= 500 m sq.
Area of 1 tile
= 20cm × 10cm
= 0.2 m × 0.1 m
= 0.02 m sq.
Number of tiles required
= Total Area/area of one tile
= 500/0.02
= 25000 Tiles
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