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Start the planQuadrilateral \(PQRS\) has \(PQ = QR = RS = 5.\) If angle \(R = 90^{\circ}\) and angle \(Q = 135^{\circ}\) what is the area of the quadrilateral?
A. \(\dfrac{25+\sqrt{2}}{2}\)
B. \(\dfrac{1+25\sqrt{2}}{2}\)
C. \(\dfrac{25(1+\sqrt{2})}{2}\)
D. \(25+\sqrt{2}\)
E. \(25+25\sqrt{2}\)
The OA is C
A. \(\dfrac{25+\sqrt{2}}{2}\)
B. \(\dfrac{1+25\sqrt{2}}{2}\)
C. \(\dfrac{25(1+\sqrt{2})}{2}\)
D. \(25+\sqrt{2}\)
E. \(25+25\sqrt{2}\)
The OA is C
