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A line with slope of -2 intersects the positive x-axis at A and the positive y-axis at B. A second line intersects the x-axis at C(9,0) and the y-axis at D. The lines intersect at E(4,4). What is the area of the shaded quadrilateral OBEC?

 

 Oct 25, 2021
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The area of OBEC is 31/8.

 Oct 25, 2021

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