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Mathematics 18 Online
OpenStudy (anonymous):

Find the acute angles of the right triangle created by the vertices A(4,5,3,5,-1) B(3,4,-1,4,4) C(-5,3,2,-3,5) I know what formula to use but I don't know what specific vectors I'm supposed to use or how to find them.

OpenStudy (anonymous):

I already know the lengths of the sides as well

OpenStudy (anonymous):

Are you working in 5 dimensions or something?

OpenStudy (anonymous):

Well, yeah

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