In geometry, a decagon (from the Greek δέκα déka and γωνία gonía, "ten angles") is a ten-sided polygon or 10-gon.[1] The total sum of the interior angles of a simple decagon is 1440°.
^Sidebotham, Thomas H. (2003), The A to Z of Mathematics: A Basic Guide, John Wiley & Sons, p. 146, ISBN 9780471461630.
In geometry, a decagon (from the Greek δέκα déka and γωνία gonía, "ten angles") is a ten-sided polygon or 10-gon. The total sum of the interior angles...
a constructible polygon with a compass and straight-edge, the regular decagon has an internal angle of 12 2 = 144 {\displaystyle 12^{2}=144} degrees...
The Decagon House Murders (十角館の殺人, Jūkakukan no satsujin) is a 1987 Japanese mystery novel, the debut work of author Yukito Ayatsuji. Borrowing its basic...
METER Group, Inc., formerly Decagon Devices, is an American corporation that designs and markets scientific instruments, sensors, and data loggers for...
icosagon has Schläfli symbol {20}, and can also be constructed as a truncated decagon, t{10}, or a twice-truncated pentagon, tt{5}. One interior angle in a regular...
rectangle using three polygons circumscribed by congruent circles: a regular decagon, hexagon, and pentagon. The respective lengths a, b, and c of the sides...
known for her fantasy series The Twelve Kingdoms. His first novel The Decagon House Murders was ranked as the No. 8 novel on the Top 100 Japanese Mystery...
Abū Kāmil Shujāʿ ibn Aslam ibn Muḥammad Ibn Shujāʿ (Latinized as Auoquamel, Arabic: أبو كامل شجاع بن أسلم بن محمد بن شجاع, also known as Al-ḥāsib al-miṣrī—lit...
(c. 850–930) employed it in his geometric calculations of pentagons and decagons; his writings influenced that of Fibonacci (Leonardo of Pisa) (c. 1170–1250)...
and octagon faces: Two Johnson solids have only triangle, pentagon, and decagon faces: Only one Johnson solid has triangle, square, pentagon, and hexagon...
prefix with '-gon' suffix: Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon... See polygon In geometry, two subsets of a Euclidean space have the same...
five stained glass windows of the apse, which is in the form of half a decagon, show Biblical scenes and date to the 14th and 15th century. The main organ...
g. octahedron e.g. November e.g. December e.g. decathlon, decahedron, decagon e.g. duodenum e.g. dodecahedron e.g. triskaidekaphobia e.g. tetradecahedron/...
April 12, 2024. Mateo, Alex (July 29, 2021). "Kodansha Comics Licenses The Decagon House Murders, Yamaguchi-kun Isn't So Bad, Chihiro-kun Only Has Eyes For...
and sizes remained the same with the exception of the 1 fil which was decagon shaped. This image was then replaced by three palms in 1968. In 1970, 250...
used a ring, and by Pancrase 258 on May 11, 2014, Pancrase adopted the decagon or the ten-sided cage of their American partners World Series of Fighting...
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