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Mathematics 7 Online
OpenStudy (anonymous):

how much greater is the surface area of the rectangular prism than the surface area of the cube.

OpenStudy (anonymous):

are there any numbers

OpenStudy (anonymous):

yes @greengiant hold on

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

|dw:1396533274360:dw|

OpenStudy (anonymous):

its suppose to be 3 dimensional but it was hard for we to draw it sorry.

OpenStudy (anonymous):

or like prisms

OpenStudy (anonymous):

is there anymore numbers for the square

OpenStudy (anonymous):

no

OpenStudy (anonymous):

is there an answer key

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

@johnweldon1993

OpenStudy (anonymous):

do you have a equastion to use

OpenStudy (anonymous):

if you cant figure it out i understand cause i couldent lol

OpenStudy (anonymous):

no

OpenStudy (anonymous):

subtract all sides by 3 then add the up then divied by two you get it is 2 times its size

OpenStudy (anonymous):

what grade are you in

OpenStudy (anonymous):

i don't understand lol

OpenStudy (anonymous):

@greengiant

OpenStudy (anonymous):

don't understand what

OpenStudy (anonymous):

like the subtracting all sides with 3 part

OpenStudy (anonymous):

well there is no triangular prisim

OpenStudy (johnweldon1993):

Hmm surface area of cube = \(\large 6a^2\) Surface area of rectangular prism = \(\large 2(WL + HL + WH)\) So you said that is supposed to be in 3 dimensions... |dw:1396534303466:dw| is it like that? the height would be 3 and the width would be 2?

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