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OpenStudy (anonymous):
HELP PLEASE!!!!!!!!Suppose a triangle has sides a, b, and c let theta be the angle opposite the side of length a. If cos theta > 0 what must be true?
a- b^2+c^2>a^2
b- a^2+b^2=c^2
c- b^2+c^2
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OpenStudy (anonymous):
it was A
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