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musickatia [10]
2 years ago
12

PLEASE ANSWER IF YOUR 100% SURE! AND NO PHONY ANSWERS TY!

Mathematics
1 answer:
kramer2 years ago
5 0

Step-by-step explanation:

it is a cube, like the dice in games. just very large.

as such it has 6 equal sides.

so, the surface area is simply the sum of all 6 side areas.

and because all 6 are equally large, we need to calculate only one and then multiply by 6.

the side lengths of this cube are 9 ft.

so the area of one side is then

9×9 = 81 ft²

and the full surface area is then

81×6 = 486 ft²

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