What is the surface area of the cube below ?

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
Answer: 486
Step-by-step explanation:
I checked the answer after i finished