The spelling of the word "ninesided" can be challenging due to the combination of two different suffixes. The word refers to a shape with nine sides. The IPA phonetic transcription of this word is /naɪnˈsaɪdɪd/, where the emphasis is on the first syllable "nine," and the "s" sound is repeated twice. The "-ed" suffix is added, indicating the past tense, as if to say that the object was made up of nine sides, whether a polygon or any other geometrical shape.
The term "ninesided" refers to a polygon or shape that possesses nine sides. In geometry, a polygon is a two-dimensional figure that is composed of straight lines and enclosed by a closed loop. The number of sides in a polygon determines its specific classification. A nine-sided polygon, or enneagon, is an irregular figure characterized by nine equal-length sides and nine interior angles.
The sides of a ninesided polygon connect at consecutive vertices, resulting in a total of nine angles within the figure. The interior angles of an enneagon add up to 1260 degrees, as each angle can be calculated by using the formula (n-2) × 180 degrees divided by n, where n represents the number of sides. The exterior angles of a ninesided polygon, on the other hand, sum up to 360 degrees.
Examples of ninesided objects can be found in various fields. In architecture, ninesided turrets or towers might be observed in the design of certain buildings. Moreover, in nature, some crystals exhibit a ninesided shape when observed under a microscope. The term "ninesided" primarily serves as a mathematical and descriptive term in geometry, enabling the classification and analysis of shapes and figures that possess nine sides.
The word "ninesided" is formed by combining the numeral "nine" with the suffix "-sided". The numeral "nine" originated from the Old English word "nigon", which can be traced back to the Proto-Germanic word "niun". This ultimately derives from the Proto-Indo-European root "h₁néwn̥", meaning "new, nine". The suffix "-sided" is added to the numeral to indicate that something has nine sides. The main etymological components of "ninesided" are therefore "nine" and "-sided".