9. Find the volume of a cuboid formed by placing 10 cubes of side 2 cm next to each other
straight line.
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Answer:
80 cm³
Step-by-step explanation:
side of the cube = s = 2 cm
volume of cube = s³ = 2³ = 8 cm³
number of cubes placed side by side = 10
total volume = 8 × 10 = 80 cm³
alternative method
10 cubes are placed side by side to form a cuboid
the length becomes 2 × 10 = 20 cm
breadth of cuboid = 2 cm
height of cuboid = 2 cm
volume of cuboid = l × b × h
= 20 × 2 × 2
= 20 × 4
= 80 cm³
Hope you get your answer
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