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how to find perimeter and area in the coordinate plane ?

Mathematics
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find the area of the polygon with vertices k(-2,4) , L(6-2) , M(4,-4) , and N(-6,-2) 

Mar 10th, 2015

Divide polygon into two triangle and calculate area of each triangle, then add together to get

1/2(12)(6) + 1/2(12)(2) = 36 + 12 = 48

Mar 11th, 2015

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Mar 10th, 2015
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