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Mathematics 8 Online
OpenStudy (anonymous):

A cube has a surface area 2646 meters squared. what is the volume?

OpenStudy (mertsj):

Each of the 6 faces has area of edge squared. So the total area is 6e^2 which equals 2646. Can you solve that equation?

OpenStudy (anonymous):

divide by 6 to find area of each face

OpenStudy (anonymous):

9261

OpenStudy (anonymous):

then take square root to find length of each side and you are nearly there

OpenStudy (anonymous):

Okay jimmyrep, I understand that so far

OpenStudy (anonymous):

so 2646 divided by 6 is 441 - that's the area of each of the 6 squares - so now what is the sqrt of 441? Then take that answer and cube it!

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

use calculator to get sqrt 441

OpenStudy (anonymous):

21, okay thank you all very much

OpenStudy (anonymous):

yw

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