If 4700 bricks each of size 25 cm x 16 cm x 10 cm are required to construct a wall
build the wall 20 m long and 20 cm wide containing two windows of size 2 m x 1.5 m each findthe height of the wall
Answers
Step-by-step explanation:
total no of bricks = 4700
dimension of brick = 25cm×16cm×10cm
dimension of wall = 20m long, 20cm wide, height =?
dimension of window= 2m×1.5m
no of window = 2
volume of 2 windows = 2×1.5×2×1.5×0.2×0.2
= 4×2.25×0.2×0.2
= 0.36m³
volume of wall = 4700×[25×16×10]
= 4700×4000
= 18800000cm³ =18.8m³
= 18.8-0.36
= 18.44m³
height of wall = 20×0.2×h = 18.44m
= 4×h = 18.44
= h = 18.44/4
= h = 4.61m
Therefore height of wall is 4.61 m
hope it helps you
Answer:
4.61m
Step-by-step explanation:
Total number of Bricks = 4700
Dimensions of bricks = 25cm×16cm×10cm
Dimensions of Wall = 20m long, 20cm wide, height = ?
Dimensions of windows = 2m×1.5m
number of windows = 2
volume of 2 windows = 2×1.5×2×1.5×0.2×0.2
= 4×2.25×0.2×0.2
= 0.36 m
Volume of Wall = 4700×[25×16×10]
= 4700×400
= 18800000 cm³ = 18.8 m³
= 18.8 - 0.36
= 18.44 m³
height of wall = 20×0.2×h = 18.44m
= 4×h = 18.44
= h = 18.4414
= h = 4.61 m
Therefore height of wall is 4.61 m.
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