The square below is made up of four small squares. Can you shade half of it so that the unshaded part is also a square?

The figure is made up of 3 squares. What is the area of the shaded part of the figure?

How many more triangles in the given figure must be shaded to make the fraction of unshaded part equal to 5/8?

The blue figure is made of five quarter-circle arcs (each with integer radius) and a segment of length 4, which is the base of a square grid.

What is the area of the blue figure?

Four Horses are tethered at four corners of a square plot of side 63 metres, so that they just cannot reach one another. What is the area left ungrazed?

A rectangle measures 17 units by 26 units and contains 7 squares, as shown below. What is the area of a single square?