Question

The tsa of a cube is numerically same as its volume. then lsa of the cube is _____

Answer 1

4a^2

bcz it is numerically same

Answer 2

SOLUTION - :

LET,SIDE OF THE CUBE BE x

ACCORDING TO THE QUESTION,

TSA of a cube = volume of cube

$6( {a)}^{2} = (a {})^{3} \\ a = 6$

WE KNOW THAT,

$lsa \: of \: \: cube = 4 ({a})^{2} \\ lsa \: of \: \: cube = 4 \times 36 \\ lsa \: of \: \: cube = 144 \: units$

THEREFORE, 144 UNITS IS THE LATERAL SURFACE AREA OF CUBE.

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