Question

find the edge of a cube , if volume of the cube is equal to the volume of cuboid of dimensions 8m×4m×2m

Answer 1

↑ Here is your answer ↓
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Lets find the volume of cuboid first,

$l*b*h$

$8*4*2$

$= 64 m^3$

Now area of square,

$s^3$

$s^3 = 64$

$s = \sqrt[3]{64}$

$s= 4m$

Answer 2

heya mate here is your answer

firstly find the volume of cubiod then equate it to volume of cube

volume of cubiod = l × b × h

= 8 × 4 × 2

= 64m^2

now ,

volume of cube = 64m^2

s^3 = 64m^2

s = 3 root 64

s = 4m

hope it helps u