### Euclidean Geometry

Euclidean space is constant curvature, isotropic and flat (to an excellent approximation, the space around us is euclidean). Geodesics diverge linearly and the surface area of spheres is quadratic in their radius..

Euclidean space is constant curvature, isotropic and flat (to an excellent approximation, the space around us is euclidean). Geodesics diverge linearly and the surface area of spheres is quadratic in their radius..