8.18
1 Plane Geometry
| (require euclid/plane) | package: euclid | 
Euclidian geometry in two dimensions is called plane geometry. The space that all two dimensional geometric objects exist in is called the Euclidean plane.
| (require euclid/plane) | package: euclid | 
Euclidian geometry in two dimensions is called plane geometry. The space that all two dimensional geometric objects exist in is called the Euclidean plane.