Question

a face of a cube has a area of 196cm2 find the volume of the cube
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Answer 1

Answer:

side of a cube is equal to square root of 196. i.e 14

volume=14*14*14=2744cm^3

Answer 2

$\bf\large\underline\pink{Solution :-}$

Area of cube = 4a

4a2 = 194

a2 = 196/4

a2 = 49

a = 7 cm

$\bf\large\underline\red{Side of cube is 7cm}$

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$\bf\small\underline\green{Step By Step Explanation :-}$

3 means cube.

Volume of cube = side3

= 7×7×7

= 49×7

= 343cm3

$\bf\small\underline\blue{Volume of cube is 343 cm3}$

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