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Triangle

Heterogenea asella

Classification

Class
Insecta

A triangle or trigon is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called vertices, are zero-dimensional points while the sides connecting them, also called edges, are one-dimensional line segments. A triangle has three internal angles, each one bounded by a pair of adjacent edges; the sum of angles of a triangle always equals a straight angle (180 degrees or π radians).

Distribution

(c) Sascha Nunheim, some rights reserved (CC BY) · CC-BY
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