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Mathematics 21 Online
OpenStudy (hayleymeyer):

http://media.education2020.com/evresources/878-12-03-00-00-sur_files/i0020000.jpg

OpenStudy (hayleymeyer):

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OpenStudy (hayleymeyer):

Determine the surface area of the rectangular prism. The prism is made up of congruent cubes, each measuring 3m

OpenStudy (hayleymeyer):

@Data_LG2 please help me?

OpenStudy (hayleymeyer):

@texaschic101 please help me?

OpenStudy (hayleymeyer):

@Legends please help?

OpenStudy (hayleymeyer):

what? :(

OpenStudy (hayleymeyer):

what answer did you get? because my calculator wont let me do it.

OpenStudy (sohailiftikhar):

\[6.9^{2}\]

OpenStudy (sohailiftikhar):

6 multiply 81

OpenStudy (sohailiftikhar):

486 is the answer ...

OpenStudy (sohailiftikhar):

let see (a is the length of the side of each edge of the cube) In words, the surface area of a cube is the area of the six squares that cover it. The area of one of them is a*a, or a 2 . Since these are all the same, you can multiply one of them by six, so the surface area of a cube is 6 times one of the sides squared.

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