Question
PSLE
Julian cut out three identical right-angled triangles. He joined them to form the figure DEFG shown. FG = 80 cm and GD = 104 cm. The perimeter of the figure is 320 cm. Find the area of the figure DEFG.
2 m

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PSLE
Julian cut out three identical right-angled triangles. He joined them to form the figure DEFG shown. FG = 80 cm and GD = 104 cm. The perimeter of the figure is 320 cm. Find the area of the figure DEFG.