Question

The surface area of a cube whose edge is 9cm is *

please I did help step by step

Answer 1

Step-by-step explanation:

formula root 4a

ans 2 *9

18

Answer 2

Answer:

Total surface area of cube = 6a²

Total surface area of cube = 6*(9)²

Total surface area of cube = 6*81

Total surface area of cube = 486 cm²

So, the total surface area of cube is 486 cm².

hope it helps u

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Note :- Here "a" represents side/edge of the cube..