# How would we express the curvature of the 2-dimensional surface of a

1. Sep 29, 2010

### Gear300

How would we express the curvature of the 2-dimensional surface of a sphere without referring to a radius of curvature or any other extra-dimensional description?

2. Sep 29, 2010

### Gerenuk

Re: Geometry/Topology

I assume you are refering to the difference between intrinsic and extrinsic curvature. Look up
http://en.wikipedia.org/wiki/Curvature
But I don't know the details...