Question
In the figure, CDEF is a rectangle. G is a point on line CD. H and J are points on line FE. The total shaded area of triangles FGH and HDJ is 220 cm2. CF = 20 cm and JE = 4 cm. Find the area of rectangle CDEF.
3 m

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In the figure, CDEF is a rectangle. G is a point on line CD. H and J are points on line FE. The total shaded area of triangles FGH and HDJ is 220 cm2. CF = 20 cm and JE = 4 cm. Find the area of rectangle CDEF.