Question

Find the number of cubes of edge 0.9cm that can be made out of a cube of edge 2.7cm

Answer 1

27 cubes will be the answer........

Answer 2

The number of cube is 27.

Step-by-step explanation:

Given : Cubes of edge 0.9 cm that can be made out of a cube of edge 2.7 cm.

To find : The number of cubes ?

Solution :

Cubes of edge 0.9 cm.

Volume of the cube is $V=a^3$

$V_1=(0.9)^3$

$V_1=0.729\ cm^3$

Cubes of edge 2.7 cm.

Volume of the cube is $V=a^3$

$V_2=(2.7)^3$

$V_2=19.683\ cm^3$

The number cubes is given by,

$n=\frac{V_2}{V_1}$

$n=\frac{19.683}{0.729}$

$n=27$

Therefore, the number of cube is 27.

#Learn more

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