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  • 30-04-2021
  • Mathematics
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a cube has a surface area of 486cm^2. what is its side length?

Respuesta :

kritika3375
kritika3375 kritika3375
  • 30-04-2021

Answer:

9 cm

Step-by-step explanation:

Total surface area of a cube =486 cm²

 We know that the surface area of the cube

=6l²

 Therefore,

6l ² =486

l² =81

l =9 cm

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