NCERT Class 8 Mathematics Solutions: Chapter 11 – Mensuration Exercise 11.4 Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Surface Area of Cuboid

1. Find the height of a cuboid whose base area is and volume is ?



Base area of cuboid and

Volume of cuboid

Volume of cuboid

[ Base area ]

So, the height of cuboid is .

2. A cuboid is of dimensions . How many small cubes with side can be placed in the given cuboid?



Length of cuboid

Breadth of cuboid and

Height of cuboid

We know that,

Volume of cuboid


Volume of cube

Number of small cubes

So, the required cubes are .

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