Tangent Developable
A Ruled Surface 
is a tangent developable of a curve 
if can be parameterized by
. A tangent developable is a Flat Surface.
References
Gray, A. Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, pp. 341-343, 1993.
- Voronoi Diagram
- Voronoi Polygon
- Voting
- VR Number
- Vulgar Series
- W2-Constant
- Wada Basin
- Walk
- Wallace-Bolyai-Gerwein Theorem
- Wallace-Simson Line
- Wallis Cosine Formula
- Wallis Formula
- Wallis's Conical Edge
- Wallis Sieve
- Wallis Sine Formula
- Wallis's Problem
- Wallpaper Groups
- Walsh Function
- Walsh Index
- Wang's Conjecture
- Ward's Primality Test
- Waring Formula
- Waring's Conjecture
- Waring's Prime Conjecture
- Waring's Problem