Rotate the ORANGE dot to create a rotated duplicate of the trapezoid.

Then move the blue dot to translate the blue outlined trapezoid to fit next to the shaded trapezoid.Now you have doubled the area in creating a parallelogram.


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Rotate the ORANGE dot to create a rotated duplicate of the trapezoid.
Then move the blue dot to translate the blue outlined trapezoid to fit next to the shaded trapezoid.Now you have doubled the area in creating a parallelogram.