Question

Find the volume of a cubical box whose surface area is 486 cm^2

Answer 1

Answer:

SA of cubical box = 486 cm^2

6 ×. side^2 = 486 cm&2

side^2 = 486/6

side^2 = 81

side = √81

side = √9×9

each side = 9 cm

Now ,

Volume = 9^3

= 729 cm^3 Ans...

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Answer 2

Step-by-step explanation:

6a^2=486

a^2=486/6

a^2=81

a=9

volume of cube =a^3

=9^3

=729cm^3is the volume