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If faces are all regular, the pentagonal prism is a semiregular polyhedron, more generally, a uniform polyhedron, and the third in an infinite set of prisms formed by square sides and two regular polygon caps.
Rumah limas ("limas house"), also known as rumah bari ("old house"), [1] is a type of traditional house found in Palembang, South Sumatra, Indonesia. It can also be found in Baturaja . The house is traditionally made of wood and raised on stilts, with a stepped, or gradated, floor composed of two to five areas at slightly different heights, a ...
Side (), circumradius (), inscribed circle radius (), height (+), width/diagonal ()A regular pentagon has Schläfli symbol {5} and interior angles of 108°.. A regular pentagon has five lines of reflectional symmetry, and rotational symmetry of order 5 (through 72°, 144°, 216° and 288°).
In geometry, a bipyramid, dipyramid, or double pyramid is a polyhedron formed by fusing two pyramids together base-to-base.The polygonal base of each pyramid must therefore be the same, and unless otherwise specified the base vertices are usually coplanar and a bipyramid is usually symmetric, meaning the two pyramids are mirror images across their common base plane.
Cayley tables were first presented in Cayley's 1854 paper, "On The Theory of Groups, as depending on the symbolic equation θ n = 1". In that paper they were referred to simply as tables, and were merely illustrative – they came to be known as Cayley tables later on, in honour of their creator.
An enamel prism, or enamel rod, is the basic unit of tooth enamel.Measuring 3-6 μm in diameter in primates, [1] enamel prism are tightly packed hydroxyapatite crystals structures.