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OpenStudy (anonymous):
Find the area of triangle PQR if P is (3,18),Q(-5,7) and R is (13,1). Please Explain how you got the answer
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OpenStudy (mathteacher1729):
Are you allowed to use determinants?
OpenStudy (anonymous):
idk, we're doing anlytic geometry
OpenStudy (anonymous):
so most of this we've graphed but feel free to use any way as long as it solves it
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mariah16:
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