zoegrace1234 zoegrace1234

29-01-2018
Mathematics

contestada

What is the surface area of the cube? A. 729 mm2 B. 486 mm2 C. 324 mm2 D. 81 mm2

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eriojas007 eriojas007

31-01-2018

the answer is B. 486 for sure because if you plug in the formula S=P*h+2(B)
p=36
h=9
B=81
then you just have to plug it in to the formula which is
S=36*9 + 2(81)
324+162= 486
i hope i helped you have a great day.

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