Illustration of a how to construct a triangle equivalent to a given hexagon/polygon.

Illustration of a how to construct a square equivalent to a given parallelogram.

Illustration of a how to construct a pentagon similar to two given pentagons.

Illustration of a square constructed upon the sum of two straight lines.

Illustration of a square constructed upon the difference of two straight lines.

Illustration of a square constructed upon the difference of two straight lines.

Illustration of a how to construct a square equivalent to the sum of two given squares.

Illustration of a how to construct a square equivalent to the difference of two given squares.