In geometry , the rhombicosahedron is a nonconvex uniform polyhedron , indexed as U 56 . It has 50 faces (30 squares and 20 hexagons ), 120 edges and 60 vertices. Its vertex figure is an antiparallelogram .
10-542: (Redirected from Ri ) [REDACTED] Look up RI , R.I. , ri , or ri- in Wiktionary, the free dictionary. [REDACTED] Look up rí , rì , rî , or -ri in Wiktionary, the free dictionary. RI or ri may refer to: People [ edit ] Ri , a common Korean surname, a variant romanization of Lee Rí (rig), an ancient Gaelic word meaning "king" Ri (pronoun) ,
20-644: A cuneiform sign Ri (kana) , a Romanization of the Japanese kana り and リ Ri , a unit of measurement in Japan and Korea related to the Chinese li Rock Island District , a commuter rail line on Chicago's Metra (abbreviated as RI on maps and schedules) See also [ edit ] [REDACTED] Search for "ri" on Misplaced Pages. All pages with titles containing ris All pages with titles containing ri Isaac ben Samuel , known as
30-755: A gender-neutral pronoun in Esperanto RI , an initialism of Rex Imperator (king-emperor) or Regina Imperatrix (queen-empress), used by those British monarchs who were rulers of both the United Kingdom and the Indian Empire Places [ edit ] Ri (administrative division) , an administrative unit in both North Korea and South Korea Ri, Orne , a commune of the Orne département in France RI, abbreviation of either
40-635: A school in Singapore Refugees International , an international humanitarian organization Rehabilitation International , an international disability rights organization Rotary International , international organization of business and professional leaders focused on non-political and non-sectarian humanitarian service Royal Institution of Great Britain, an organisation devoted to scientific education and research Royal Institute of Painters in Water Colours ,
50-560: A society in the Federation of British Artists Chicago, Rock Island and Pacific Railroad (reporting mark RI) Tigerair Mandala (IATA airline designator RI) Italian Radicals , a political party in Italy Science, technology, and mathematics [ edit ] Ri (prefix symbol) , a binary unit prefix symbol Referential integrity , a database concept Refractive index of an optical medium (in physics/optics)
60-457: Is a number that describes how light propagates through that medium Arterial resistivity index , a measure of pulsatile blood flow Ring Indicator , a signal in the RS232 serial communications standard Rhombicosahedron , a polyhedron, by Bowers acronym Residual income , a financial profitability measure of a company Reputation Institute , a research and insights company that analyzes
70-484: Is different from Wikidata All article disambiguation pages All disambiguation pages RI">RI The requested page title contains unsupported characters : ">". Return to Main Page . Rhombicosahedron A rhombicosahedron shares its vertex arrangement with the uniform compounds of 10 or 20 triangular prisms . It additionally shares its edges with the rhombidodecadodecahedron (having
80-682: The Republic of Indonesia or, in the Indonesian language, Republik Indonesia Rhode Island , a state within the US (postal abbreviation RI) Arts and media [ edit ] Ri, an augmented second in solfege , used in music education Ri, a representation of the second svara in Indian classical music Russia Insider , a pro-Kremlin news and propaganda website Businesses and organizations [ edit ] Raffles Institution ,
90-624: The Ri ha-Zaken, a 12th-century French tosafist and Biblical commentator Riri (disambiguation) Ris (disambiguation) IR (disambiguation) Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title RI . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=RI&oldid=1177950643 " Category : Disambiguation pages Hidden categories: Short description
100-404: The reputation of corporations and places Rapid intensification , a phenomenon in which the wind speed of a tropical cyclone increases dramatically in a short period of time Research infrastructure , national or international infrastructure open to scientists (e.g. CERN) Research institute , an establishment founded for doing research Other uses [ edit ] Ri (cuneiform) ,
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