a bick measure 15cm in length,8 cm in breadth and 5cm in height how many bricks will be used to make a wall of length 15 cm breadth 10 m and height 8 metres?
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Answer:
volume of a bick=(l×b×h)
=(15×8×5) cc
=600 cc
In the wall,
l= 15 cm
b=10 m=1000 cm
h=8m =800 cm
Then the volume= (l×b×h)
=(15×1000×800) cc
=12000000 cc
So, the numbers of used bricks will be= 12000000/600
=20000
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