congruent surfaces

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• Congruent — Congruence Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom …   Wikipédia en Français

• Differential geometry of surfaces — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… …   Wikipedia

• Cauchy's theorem (geometry) — Cauchy s theorem is a theorem in geometry, named after Augustin Cauchy. It states that convex polytopes with congruent corresponding faces are congruent. This is a foundational result in rigidity theory. tatementLet P, Q subset Bbb R^3 be… …   Wikipedia

• CRISTAUX - Cristallographie — Le nom de cristal fut d’abord réservé aux substances minérales naturelles limitées par des formes polyédriques plus ou moins parfaites. L’existence de formes polyédriques était alors considérée comme le critère essentiel de la définition du… …   Encyclopédie Universelle

• Tessellation — A tessellation of pavement A honeycomb is an example of a t …   Wikipedia

• mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …   Universalium

• Euclidean geometry — geometry based upon the postulates of Euclid, esp. the postulate that only one line may be drawn through a given point parallel to a given line. [1860 65] * * * Study of points, lines, angles, surfaces, and solids based on Euclid s axioms. Its… …   Universalium

• number game — Introduction       any of various puzzles and games that involve aspects of mathematics.       Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… …   Universalium

• Area — This article is about the geometric quantity. For other uses, see Area (disambiguation). The combined area of these three shapes is between 15 and 16 squares. Area is a quantity that expresses the extent of a two dimensional surface or shape in… …   Wikipedia

• Angle — This article is about angles in geometry. For other uses, see Angle (disambiguation). Oblique angle redirects here. For the cinematographic technique, see Dutch angle. ∠, the angle symbol In geometry, an angle is the figure formed by two rays… …   Wikipedia

• Regular polyhedron — A regular polyhedron is a polyhedron whose faces are congruent (all alike) regular polygons which are assembled in the same way around each vertex. A regular polyhedron is highly symmetrical, being all of edge transitive, vertex transitive and… …   Wikipedia