Identify the polygon with vertices \( P(2,-2), Q(4,2) \), \( R(6,2) \), and \( S(4,-2) \), and then find the perimeter and area of the polygon.
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The vertices \( P(2,-2) \), \( Q(4,2) \), \( R(6,2) \), and \( S(4,-2) \) define a quadrilateral. By plotting these points, you can see that it forms a rectangle because the opposite sides are both equal and parallel, and all angles are right angles. To find the perimeter, you can calculate the lengths of the sides. The length of side \( PQ \) (vertical distance) is: \[ PQ = Q_y - P_y = 2 - (-2) = 4 \] The length of side \( PS \) (horizontal distance) is: \[ PS = S_x - P_x = 4 - 2 = 2 \] Since opposite sides of a rectangle are equal, the perimeter \( P \) is calculated as: \[ P = 2 \times (PQ + PS) = 2 \times (4 + 2) = 12 \] For the area \( A \) of the rectangle, use the formula: \[ A = \text{length} \times \text{width} = PQ \times PS = 4 \times 2 = 8 \] In summary, the polygon is a rectangle with a perimeter of \( 12 \) units and an area of \( 8 \) square units.
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