- equilateral pentagon
- мат. равносторонний пятиугольник
Большой англо-русский и русско-английский словарь. 2001.
equilateral pentagon
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pentagon — A closed two dimensional shape (polygon) bounded by five straight line segments. The formula with which to find an equilateral pentagon s area is 1.7205 times the length of one side squared. Also see mathematics and regular … Glossary of Art Terms
Equilateral polygon — In geometry, an equilateral polygon is a polygon which has all sides of the same length. For instance, an equilateral triangle is a triangle of equal edge lengths. All equilateral triangles are similar to each other, and have 60 degree internal… … Wikipedia
Ptolemy's table of chords — The table of chords, created by the astronomer and geometer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy s Almagest,[1] a treatise on mathematical astronomy. It is essentially… … Wikipedia
Abu Sahl al-Quhi — Abu Sahl Waidschan ibn Rustam al Quhi, auch al Kuhi (arabisch أبو سهل ويجن بن رستم القوهي, DMG Abū Sahl Waiǧan b. Rustam al Qūhī; persisch ابوسهل بیژن کوهی, DMG Abū Sahl Bīžan Kūhī; * um 940 aus Quh in Tabaristan, Iran; † um 1000)… … Deutsch Wikipedia
Polygon — For other uses, see Polygon (disambiguation). Some polygons of different kinds In geometry a polygon ( … Wikipedia
Schläfli–Hess polychoron — The great grand 120 cell, one of ten Schläfli–Hess polychora by orthographic projection. In four dimensional geometry, Schläfli–Hess polychora are the complete set of 10 regular self intersecting star polychora (four dimensional polytopes). They… … Wikipedia
Golden ratio — For the Ace of Base album, see The Golden Ratio (album). Not to be confused with Golden number. The golden section is a line segment divided according to the golden ratio: The total length a + b is to the length of the longer segment a as the… … Wikipedia
Star polygon — Set of regular star polygons {5/2} {7/2} … Wikipedia
Regular polygon — A regular polygon is a polygon which is equiangular (all angles are congruent) and equilateral (all sides have the same length). Regular polygons may be convex or star.General propertiesThese properties apply to both convex and star regular… … Wikipedia
Triangle — This article is about the basic geometric shape. For other uses, see Triangle (disambiguation). Isosceles and Acute Triangle redirect here. For the trapezoid, see Isosceles trapezoid. For The Welcome to Paradox episode, see List of Welcome to… … Wikipedia
Decagon — Regular decagon Edges and vertices 10 Schläfli symbol {10} Coxeter–Dynkin diag … Wikipedia
