konstruerbar
Konstruerbar refers to the concept of something being capable of being constructed or built. In mathematics, particularly in geometry, it denotes a figure or object that can be constructed using only a limited set of tools, typically an unmarked straightedge and a compass. This concept is fundamental to classical geometry and has been studied for centuries, famously leading to the unsolvability of certain classical construction problems such as squaring the circle, trisecting an angle, and duplicating the cube using only these tools.
The rules of construction with straightedge and compass are precise. A straightedge allows the drawing of a
The theory of constructible numbers, which are numbers that can be constructed using straightedge and compass,