how many tiles whose length and breadth are 12cm and 5cm will be needed to fit in a region whose length and breadth is 10m and 15m
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number of tiles=area of regular region
area of rectangular tile
area of rectangular tile=l×b
=12×5=60cm
Now,
The area of tile is given in cm whereas the area of region is given in m.
so,we have to convert them into same unit .
Area of rectangular region= l×b
=10×15
=150m
1m=100cm
150m= 150×100
=15000cm
number of tiles= area of regular region
area of tile
= 15000
60
=250 tiles are required.
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