CTET 2 Math and Science Jan 2021 Paper

Question : 59 of 150

Marks: +1, -0

The volume of a cube is

2197 {\cm}^{3}

. What is its lateral surface area

(

{\cm}^{2})

Solution:

Let the edge of the cube be

a {\cm}

.
Volume

=2197

a^{3}=2197

a=√^3 {2197}

a=13

Lateral surface area

=4 a^{2}

=4(13)^{2}=676 {\cm}^{2}

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