The four sequential sides of a quadrilateral have lengths a = 5.3, b = 7.2, c = 9.7, and d = 10.9 (all measured in yards). The

Question

The four sequential sides of a quadrilateral have lengths a = 5.3, b = 7.2, c = 9.7, and d = 10.9 (all measured in yards). The angle between the two smallest sides is a = 116°.
What is the area of this figure?
area =
yd²

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