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Mathematics 11 Online
OpenStudy (anonymous):

medals rewarded! The vertices of the parallelogram are A(-1, -2), B(3, -2), C(4, 3) and D(0, 3). Find the area of the parallelogram. a.16 units2 b.30 units2 c.20 units2 d.3 units2

OpenStudy (anonymous):

are you familiar with vector cross product?

OpenStudy (anonymous):

|dw:1373896695175:dw|

OpenStudy (anonymous):

I don't get it

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