Graphing the quadrilateral on a graph paper is easy. Locate the points J, K,L and M by their ordered pair.
Then connect the points and measure the length of each side and add the lengths of four sides . You will have the perimeter.
If you do this correctly, you will get JK= 4, KJ = 7, LM = 5 and MJ= 4
So the perimeter of JKLM is = 4 + 7 +5 +4 = 20
Answer: perimeter = 20
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