- homothetic figures
- мат.гомотетичные фигуры
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Homothetic center — In geometry, a homothetic center (also called a center of similarity or a center of similitude) is a point from which at least two geometrically similar figures can be seen as a dilation/contraction of one another. If the center is external , the … Wikipedia
homothetic — | ̷ ̷ ̷ ̷|thed.ik adjective Etymology: International Scientific Vocabulary hom + Greek thetikos fit for placing; originally formed as French homothétique more at thetic : similar and similarly oriented used of geometric figures * * * homothety… … Useful english dictionary
Problem of Apollonius — In Euclidean plane geometry, Apollonius problem is to construct circles that are tangent to three given circles in a plane (Figure 1); two circles are tangent if they touch at a single point. Apollonius of Perga (ca. 262 BC ndash; ca. 190 BC)… … Wikipedia
Conformal map — For other uses, see Conformal (disambiguation). A rectangular grid (top) and its image under a conformal map f (bottom). It is seen that f maps pairs of lines intersecting at 90° to pairs of curves still intersecting at 90°. In mathematics, a… … Wikipedia
Inversive geometry — Not to be confused with Inversive ring geometry. In geometry, inversive geometry is the study of those properties of figures that are preserved by a generalization of a type of transformation of the Euclidean plane, called inversion. These… … Wikipedia
Covering problem of Rado — The covering problem of Rado is an unsolved problem in geometry concerning covering planar sets by squares. It was formulated in 1928 by Tibor Radó and has been generalized to more general shapes and higher dimensions by Richard Rado. Formulation … Wikipedia