What is the area of the blue parallelogram?

The length of the altitudes from a vertex of the parallelogram to the other two sides is 10 and 12.

If the parallelogram has a perimeter of 176, find the area.

What is the area of the blue square divided by the area of square ABCD?

What is the % of the area of the blue region as compare to the whole?

Two parabolas with vertical axes of symmetry share each other's vertex, and are contained between horizontal lines that go through their vertices.

What is the ratio of blue area (intersection) to the grey area in the image?

What is the area of the blue region in the following image?