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Sections in parallelogram (Posted on 2019-05-05) Difficulty: 3 of 5
I place 2 points inside a parallelogram, and then draw a line segment from each point to each of the 4 vertices of this parallelogram, dividing it into 9 parts i.e 8 triangles and 1 quadrilateral.

If the four triangles with one side as the side of parallelogram have areas 13, 15, 18, and 19, respectively, what is the area of the central quadrilateral?

No Solution Yet Submitted by Danish Ahmed Khan    
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