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# Solution for A 4 Cm Cube is Cut into 1 Cm Cubes. Calculate the Total Surface Area of All the Small Cubes. - CBSE Class 9 - Mathematics

ConceptSurface Area of a Cuboid and a Cube

#### Question

A 4 cm cube is cut into 1 cm cubes. Calculate the total surface area of all the small cubes.

#### Solution

Edge of cube = 4cm

Volume of 4cm cube = (4cm)^3= 64cm^2

Edge of cube =1cm

Volume of 1cm cube =(1cm)^3

∴Total number of small cubes = (64cm^3)/(1cm^3)=64

∴ Total surface area of 64cm all cubes

=64xx6xx(1cm)^2

=384cm^2

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#### APPEARS IN

RD Sharma Solution for Mathematics for Class 9 by R D Sharma (2018-19 Session) (2018 to Current)
Chapter 18: Surface Areas and Volume of a Cuboid and Cube
Q: 7 | Page no. 14
Solution A 4 Cm Cube is Cut into 1 Cm Cubes. Calculate the Total Surface Area of All the Small Cubes. Concept: Surface Area of a Cuboid and a Cube.
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