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These shapes have four sides and 360° of interior angle goodness.

The perimeter of a square is 40. What is its area?

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Three angles in a quadrilateral measure \(110^\circ, 83^\circ, \text { and } 47^\circ.\) What is the measure of the fourth angle?

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For which quadrilateral above does \(x + y\) NOT necessarily equal 180?

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Which quadrilateral could NOT have one side that is exactly twice as long as another side?

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A rhombus with a base of 8 and height of 2 will have the same area as a square with a height of *_*_?

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