Question
The figure is formed using four identical isosceles triangles, CJF, CHD, DGE and EKF. CDEF is a square where G, H, J and K are midpoints of its sides. Given HL = LF, DM = MK and CF = 35 m, find the total area of the shaded parts.
2 m

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The figure is formed using four identical isosceles triangles, CJF, CHD, DGE and EKF. CDEF is a square where G, H, J and K are midpoints of its sides. Given HL = LF, DM = MK and CF = 35 m, find the total area of the shaded parts.