Question
In the figure, GHJK is a rectangle. L is a point on line GH. M and N are points on line KJ. The total shaded area of triangles KLM and MHN is 160 cm2. GK = 16 cm and NJ = 4 cm. Find the area of rectangle GHJK.
3 m

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In the figure, GHJK is a rectangle. L is a point on line GH. M and N are points on line KJ. The total shaded area of triangles KLM and MHN is 160 cm2. GK = 16 cm and NJ = 4 cm. Find the area of rectangle GHJK.