8th Class Mathematics Sample Paper Mathematics Sample Paper - 3

  • question_answer Find the volume of the following cuboids figure.
    (a) 
    (b)

    Answer:

    (a) l = 8 cm, b = 3 cm, h = 2 cm
    The volume of cuboid \[=\text{ l}\times b\times h\]
    \[=8\times 3\times 2\]
    The volume of cuboid \[=\text{ }48\text{ }c{{m}^{3}}\]
    (b)  Height = 3 cm = 0.03 m
    Area of rectangle part \[=\text{ }24\text{ }{{m}^{2}}~~\]
    The volume of cuboid = Area of rectangle part \[\times \] Height
    \[=24{{m}^{2}}\times 0.03\,m\]
    The volume of cuboid \[=0.72\text{ }{{m}^{3}}\]
               


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