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OpenStudy (anonymous):
This has really stumped me so help? What is the surface area of the cube:
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OpenStudy (anonymous):
OpenStudy (kainui):
What's the area of one face? It's just a square right? So what's the area of one of those squares?
OpenStudy (anonymous):
7?
OpenStudy (kainui):
Nope, 7 is the length of one side. The area is length times width. |dw:1396896747988:dw|
OpenStudy (anonymous):
so 49 is the length of one side?
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OpenStudy (anonymous):
Is it 294?
OpenStudy (kainui):
Yep!
OpenStudy (kainui):
Although 49 is the area of one face, not a length.
OpenStudy (anonymous):
Oh! So let me get it straight, you find the area of one side and then multiply the answer by the number of sides on the shape?
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