What is the surface area of the cube below ?

B

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:

Hope this helps!

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

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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