how many bricks of size 30cm by 45 cm by 9cm are needed to make a wall which is 15m long, 18 m high, and 60 cm thick?
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Step-by-step explanation:
Both the brick and the wall are in the shape of a cuboid.
Volume of a cuboid of length l, breadth b and height h =l×b×h.
Considering all the measures in cm, number of bricks required =
Volumeofonebrick/ Volumeofthewall
=
1500 x 1800 x 60 / 30 x 45 x 9
= 13,333.333
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