Question
PSLE
Archie cut out three identical right-angled triangles. He joined them to form the figure FGHJ shown. HJ = 40 cm and JF = 52 cm. The perimeter of the figure is 160 cm. Find the area of the figure FGHJ.
2 m

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PSLE
Archie cut out three identical right-angled triangles. He joined them to form the figure FGHJ shown. HJ = 40 cm and JF = 52 cm. The perimeter of the figure is 160 cm. Find the area of the figure FGHJ.