Question
PSLE
Fred cut out three identical right-angled triangles. He joined them to form the figure NPQR shown. QR = 80 m and RN = 104 m. The perimeter of the figure is 320 m. Find the area of the figure NPQR.
2 m

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PSLE
Fred cut out three identical right-angled triangles. He joined them to form the figure NPQR shown. QR = 80 m and RN = 104 m. The perimeter of the figure is 320 m. Find the area of the figure NPQR.