Unsolvable Problems
- Solving general
quintic (5th degree) polynomial equations
- Trisecting
an arbitrary angle with compass and straightedge.
-
Doubling the cube, that is constructing a cube with twice the
volume of a given cube (using only compass and straightedge).
- Squaring the
Circle, constructing a square with the same areas a given circle
(using only compass and straightedge).