Question
In the figure, FG and HJ are parallel lines. The area of Triangle GHJ is 12 cm2. The area of Triangle HKJ is 9 cm2. Find the area of the shaded triangle.
3 m

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In the figure, FG and HJ are parallel lines. The area of Triangle GHJ is 12 cm2. The area of Triangle HKJ is 9 cm2. Find the area of the shaded triangle.