Seudónimo Seudónimo
  • 11-04-2017
  • Mathematics
contestada

What is the surface area of the cube?

81 mm²

324 mm²

486 mm²

729 mm²

What is the surface area of the cube 81 mm 324 mm 486 mm 729 mm class=
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Аноним Аноним
  • 11-04-2017
The answer to this question is:

C. 486 mm²

To get the answer:

A = 6a²

So for a put 9. Then the equation becomes 6*9²

Then do 9*9*6 to get your answer.
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Аноним Аноним
  • 11-04-2017
The surface area of the cube is 486 mm^2 because (9*9)*6=486.
Answer Link

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