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Mathematics 17 Online
OpenStudy (anonymous):

Find the diagonal of a cube if its side equals 5.

OpenStudy (anonymous):

|dw:1374598124006:dw| using Pythagoras theorem will help you find the diagonal \[a^2 + b^2 = c^2\] so if we look at the triangle we have two legs both equal to 5 and one hypot = c so plug in the given information and we got \[5^2 + 5^2 = c^2\] can you take it from here?

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