- regular pentadecagon
- мат. правильный пятнадцатиугольник
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
Pentadecagon — In geometry, a pentadecagon is any 15 sided, 15 angled, polygon. A regular pentadecagon has interior angles of 156°, and with a side length a , has an area given by: egin{align} A = frac{15}{4}a^2 cot frac{pi}{15} = frac{15a^2}{8} left(… … Wikipedia
pentadecagon — noun /ˌpɛntəˈdɛkəɡən/ a polygon with fifteen sides , 2003: In ⊙ O, draw chord AB equal to r. Draw chord AC equal to Vt (which is the side of a regular decagon). CB is now one side of the regular pentadecagon. Steven Atiyah, Essentials of Geometry … Wiktionary
Двумерное пространство — У этого термина существуют и другие значения, см. 2D. У этого термина существуют и другие значения, см. Пространство. Двумерное пространство (иногда говорят двухмерное пространство) геометрическая модель плоской проекции физического мира, в… … Википедия
Dodecagon — Regular dodecagon Edges and vertices 12 Schläfli symbols {12} Coxeter–Dynkin diagrams … Wikipedia
Decagon — Regular decagon Edges and vertices 10 Schläfli symbol {10} Coxeter–Dynkin diag … Wikipedia
Nonagon — Regular nonagon A regular nonagon Edges and vertices 9 Schläfli symbol {9} Coxeter–Dynkin diagram … Wikipedia
Enneadecagon — Regular enneadecagon A regular enneadecagon Edges and vertices 19 Schläfli symbol {19} Coxeter–Dynkin diagram … Wikipedia
Chiliagon — Regular chiliagon A whole regular chiliagon is not visually discernible from a circle. The lower section is a portion of a regular chiliagon, 200 times larger than the smaller one, with the vertices highlighted. Edges and vertices 1000 Schläfli… … Wikipedia
Octadecagon — Regular octadecagon Edges and vertices 18 Schläfli symbol {18} Coxeter–Dynkin diagram … Wikipedia
Polygon — For other uses, see Polygon (disambiguation). Some polygons of different kinds In geometry a polygon ( … Wikipedia
Star polygon — Set of regular star polygons {5/2} {7/2} … Wikipedia