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What are Angles When two rays combine with a common endpoint and the angle is formed. The two components of an angle are “sides” and “vertex”. The side can be categorized into terminal sides and initial sides (or vertical sides) as shown in the image below. Parts of an Angle The corner point of an angle is called the vertex And the two straight sides are called arms The angle is the amount of turn between each arm. How to Label Angles There are two main ways to label angles: 1. give the angle a name, usually a lower-case letter like a or b, or sometimes a Greek letter like α (alpha) or θ (theta) 2. or by the three letters on the shape that define the angle, with the middle letter being where the angle actually is (its vertex). Example angle ... Definition of an angle. What are the different types of angles & measure of an angle? Learn adjacent and congruent angles with examples & solve worksheets. In geometry, an angle is formed by two lines that meet at a point. [1] . Each line is called a side of the angle, and the point they share is called the vertex of the angle. [2][3] The term angle is used to denote both geometric figures and their size or magnitude.
