how many bricks do we need to build a wall that is 7 M long 15 M wide and 8 M high if each brick has length 20 CM 10 cm and height 5 cm
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Answer:840000bricks
Step-by-step explanation:
▪length of wall=7m or 700cm
▪breadth of wall=15m or 1500cm
▪height of wall=8m or 800cm
◇volume of wall (cuboid)=7m×15m×8m=840000000cm
▪length of brick=20cm
▪breadth of brick=10cm
▪heigth of brick=5cm
☆volume of brick=20cm×10cm×5cm=1000cm
□No.of bricks required to build a wall=volume of wall / volume of 1brick
□840000000cm / 1000cm=840000 bricks
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