Question

FIND THE SIDE OF THE CUBE WHOSE TOTAL SURFACE AREA IS 486 SQUARE METRES.

Answer 1

the side of cube is 9cm

Answer 2

Hi friend,

Here is your answer,

Given :-
            Total surface area = 486m²
To find :-  Side

Total surface area =   6a²
                 486      =   6a²
                  81       =   a²
                 81        =   a²
                  9²        =   a²
                  a         =   9

Side of the cube = 9 meter 


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