Q 9 How many bricks will be required for a wall which is 8 m long, 6m high and 22.5 cm thick, if each brick measures 2
11.25 cm x 6 cm?
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Answer:volume of wall=8×6×22.5
=1080cm cube
Volume of each brick =2×11.25×6
=135cm cube
No of bricks needed= volume of wall/volume of each brick = 1080/135=8
So 8 bricks are needed
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Answer:
8000 bricks just see the image for explanation
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