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Area of a quadrilateral

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What is the area of a quadrilateral with sides of length 16, 12, 15, and 25, and a right angle between the sides with lengths 16 and 12?

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The area of a quadrilateral with sides of lengths are founf.

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Geometry
1. What is the area of a quadrilateral with sides of length 16, 12, 15, and 25, and a right angle between the sides with lengths 16 and 12?

Solution: If we complete the rectangle, we get the following figure: ...

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