3 years ago

What is the surface area of the cube below ?

Mathematics

2 answers:

dusya [7]3 years ago

6 0

Answer:

Step-by-step explanation:

Since a cube has 6 sides, the surface area of a cube is 6 times the area of one of the sides. Therefore:

$SA=6\cdot 9^2=6\cdot 81= 486\text{ units}^2$

Hope this helps!

Andrei [34K]3 years ago

3 0

Answer:

486

Step-by-step explanation:

there are 6 sides in a cube

according to the picture, the length and width of each side is 9

multiply 9 by 9 for 1 side= 81

there are 6 sides

so multiply 81 by 6= 486

so your answer is b 486.

pls mark brainliest

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