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Mathematics 13 Online
OpenStudy (gokuporter):

http://prnt.sc/d3a3ya

OpenStudy (gokuporter):

@Directrix

OpenStudy (maddieayeeee):

@Vuriffy

OpenStudy (sooobored):

\[A=\frac{1}{2}ab* cosC\]

OpenStudy (sooobored):

you can determine side length a and b by using the distance formula and calculate angle C using the law of cosine

OpenStudy (vuriffy):

|dw:1478321889540:dw|

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