Technopedia Center
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Faculty of Engineering and Computer Science
S1 Informatics S1 Information Systems S1 Information Technology S1 Computer Engineering S1 Electrical Engineering S1 Civil Engineering

faculty of Economics and Business
S1 Management S1 Accountancy

Faculty of Letters and Educational Sciences
S1 English literature S1 English language education S1 Mathematics education S1 Sports Education
teknopedia

teknopedia

teknopedia

teknopedia

teknopedia

teknopedia
teknopedia
teknopedia
teknopedia
teknopedia
teknopedia
url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url 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url url
  2. Weltenzyklopädie
  3. دوازده‌وجهی بزرگ - ویکی‌پدیا، دانشنامهٔ آزاد
دوازده‌وجهی بزرگ - ویکی‌پدیا، دانشنامهٔ آزاد
از ویکی‌پدیا، دانشنامهٔ آزاد
Great dodecahedron
Type چندوجهی کپلر–پوآنسو
Stellation core regular dodecahedron
مشخصه اویلر F = 12, E = 30
V = 12 (χ = -6)
Faces by sides 12{5}
نماد اشلفلی {5,5⁄2}
Face configuration V(5⁄2)5
Wythoff symbol 5⁄2 | 2 5
Coxeter diagram
Symmetry group Ih, H3, [5,3], (*532)
References U35, هارولد اسکات مک‌دونالد کاکسیتر44, W21
Properties چندوجهی منتظم nonconvex

(55)/2
(Vertex figure)
Small stellated dodecahedron
(dual polyhedron)
دوازده‌وجهی بزرگ

در هندسه، دوازده‌وجهی بزرگ چندوجهی کپلر-پوآنسو است، با نماد شلفی{۵٬۵٫۲} و نمودار نمودار کاکستر است. این چند وجهی یکی از چهار چند وجهی منظم غیر محدب است. این چندوجهی از ۱۲ وجه پنج ضلعی (شش جفت پنج ضلعی موازی) تشکیل شده‌است، با پنج پنج ضلعی که در هر راس قرار دارند و یکدیگر را قطع می‌کنند و ستاره پنج ضلعی ایجاد می‌کنند.

Images

Transparent model Spherical tiling

(With animation)
This polyhedron represents a spherical tiling with a density of 3. (One spherical pentagon face is shown above in yellow)
Net Stellation
× 20
Net for surface geometry; twenty isosceles triangular pyramids, arranged like the faces of an بیست‌وجهی
It can also be constructed as the second of three stellations of the dodecahedron, and referenced as Wenninger model [W21].
ستاره‌هاى دوازده‌وجهی
جسم افلاطونی چندوجهی هاى کپلر–پوآنسو
دوازده‌وجهی دوازده‌وجهی ستاره‌ای کوچک دوازده‌وجهی بزرگ دوازده‌وجهی ستاره‌ای بزرگ
Name دوازده‌وجهی ستاره‌ای کوچک Dodecadodecahedron Truncated
great
dodecahedron 		Great
dodecahedron
Coxeter-Dynkin
diagram
Picture

پويانمايي ارتباط با چندوجهي هاى ديگر

ارتباط با دوازده وجهی و دوازده وجهی ستاره ای کوچک

منابع

  • ویکی‌پدیا انگلیسی
آیکون خرد

این یک مقالهٔ خرد هندسه است. می‌توانید با گسترش آن به ویکی‌پدیا کمک کنید.

Pusat Layanan

UNIVERSITAS TEKNOKRAT INDONESIA | ASEAN's Best Private University
Jl. ZA. Pagar Alam No.9 -11, Labuhan Ratu, Kec. Kedaton, Kota Bandar Lampung, Lampung 35132
Phone: (0721) 702022
Email: pmb@teknokrat.ac.id