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Mathematics 13 Online
OpenStudy (anonymous):

Suppose a triangle has sides a,b,c, and that a^2+b^2

OpenStudy (anonymous):

@marissalovescats do you know this?

OpenStudy (marissalovescats):

No I'm not sure I'm sorry.

OpenStudy (anonymous):

Its ok....

OpenStudy (anonymous):

|dw:1373481064354:dw| so your option C is correct.. I am assuming that you know this formula for Cosine from "PROPERTIES OF TRIANGLES"

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