Question
PSLE
Reggie cut out three identical right-angled triangles. He joined them to form the figure BCDE shown. DE = 100 m and EB = 130 m. The perimeter of the figure is 400 m. Find the area of the figure BCDE.
2 m

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PSLE
Reggie cut out three identical right-angled triangles. He joined them to form the figure BCDE shown. DE = 100 m and EB = 130 m. The perimeter of the figure is 400 m. Find the area of the figure BCDE.