Question
PSLE
Charlie cut out three identical right-angled triangles. He joined them to form the figure CDEF shown. EF = 40 m and FC = 52 m. The perimeter of the figure is 160 m. Find the area of the figure CDEF.
2 m

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PSLE
Charlie cut out three identical right-angled triangles. He joined them to form the figure CDEF shown. EF = 40 m and FC = 52 m. The perimeter of the figure is 160 m. Find the area of the figure CDEF.