-Find the volume of a cuboid of dimensions 18 cm x 120 mm x 150 mm in cu cm.
-A brick measures 20 cm x 10 cm x 3.5 cm. How many bricks will be required for a wall of dimensions 25 mx 2 mx 0.35 m ?
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-Find the volume of a cuboid of dimensions 18 cm x 120 mm x 150 mm in cu cm.
-A brick measures 20 cm x 10 cm x 3.5 cm. How many bricks will be required for a wall of dimensions 25 mx 2 mx 0.35 m ?
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Step-by-step explanation:
Dimension of brick are =20cm×10cm×5cm
volume of 1 brick =20×10×5=1000cm
3
Dimension of wall =10m×15m×0.2m
volume of wall =10×15×0.2=30m
3
now no. of brick requried to make wall =
volumeof1brick
volumeofwall
no. of bricks =
1000m
3
30m
3
=
1000
30
×10
6
=30×10
3
[no. of bricks =30,000 bricks.]