24-03-2017
Mathematics

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The cube has surface area 864 in2, so each of its edges has a length of what?

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ericknwash ericknwash

24-03-2017

Cube has six sides
864/6 = 144
a square has 4 sides, so your answer is 144/4 = 36.

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24-03-2017

A=6s^2 and A=864

6s^2=864

s^2=144

s=12 in.

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