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Ayushree
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Asked: 2025-08-01T10:22:56+00:00 In:

How many cubes of side 1 cm will make a cube of side 3 cm?

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A cube of side 3 cm has a volume of 3 × 3 × 3 = 27 cm³. Each small cube has volume 1 cm³. So, we need 27 unit cubes to make a cube of side 3 cm.

Class 8 Mathematics Ganita Prakash A Square and A Cube

Class 8 Mathematics Ganita Prakash Chapter 1 A Square and A Cube NCERT solutions

a square and a cube class 8 maths ganita prakash solutionscubes of side 1 cm will make a cube of side 3 cmganita prakash class 8 math solution | chapter 1 a square and a cube| ncert new booksquare and a cube class 8 maths ganita prakash unit 1
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    1 Answer

    1. The volume of a cube is side × side × side. For a cube with side 3 cm,
      Volume = 3³ = 27 cm³.
      Each small cube has volume 1 cm³.
      So, number of 1 cm³ cubes needed = Total volume ÷ 1 = 27 ÷ 1 = 27 cubes.
      Thus, 27 small cubes of 1 cm³ are required to form a 3 cm cube.

       

      For more NCERT Solutions for Class 8 Mathematics Ganita Prakash Chapter 1 A Square and A Cube Extra Questions & Answer:

      https://www.tiwariacademy.com/ncert-solutions/class-8/maths/ganita-prakash-chapter-1/

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