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Suppose that There Are Two Cubes, Having Edges 2 Cm and 4 Cm, Respectively. Find the Volumes V1 and V2 of the Cubes and Compare Them. - Mathematics

Answer in Brief

Suppose that there are two cubes, having edges 2 cm and 4 cm, respectively. Find the volumes V1and V2 of the cubes and compare them.

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Solution

\[\text { The edges of the two cubes are 2 cm and 4 cm } . \]

\[\text { Volume of the cube of side 2 cm, V_1 = (side ) }^3 = (2 )^3 = 8 {cm}^3 \]

\[\text { Volume of the cube of side 4 cm }, V_2 = (\text { side  })^3 = (4 )^3 = 64 {cm}^3 \]

We observe the following: 

\[ V_2 = 64 {cm}^3 = 8 \times 8 {cm}^3 = 8 \times V_1 \]

\[ \therefore V_2 = 8 V_1\]

  Is there an error in this question or solution?
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APPEARS IN

RD Sharma Class 8 Maths
Chapter 21 Mensuration - II (Volumes and Surface Areas of a Cuboid and a Cube)
Exercise 21.1 | Q 17 | Page 9
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