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:::::Yeah, the lead is the place to start. Maybe something like this:
::::::An angle is formed when an object is rotated around a point.<ref>{{cite book |last1=Young |first1=Cynthia Y. |title=Trigonometry |date=6 September 2017 |publisher=John Wiley & Sons |isbn=978-1-119-44520-3 |url=https://www.google.com/books/edition/Trigonometry/476ZDwAAQBAJ?hl=en&gbpv=1&dq=angle%20rotation&pg=PA4&printsec=frontcover |language=en}}</ref> In Euclidean geometry, a ray is rotated around its initial point, called the vertex of the angle, and the starting and ending rays are called the sides of the angle. The measure of an angle denotes its magnitude and is a real number with some angular unit such as degrees or radians. The measure is in general any real number, but it may be bounded to [0,180°) or [0,360°) depending on context. Angles are often drawn as circular arcs, and the measure of a counterclockwise angle in radians is the ratio of the length of the circular arc to its radius.
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:::::[[User:Mathnerd314159|Mathnerd314159]] ([[User talk:Mathnerd314159|talk]]) 20:28, 5 May 2023 (UTC)
:::::: I would instead make the fundamental definition something like "An angle is the relationship between two orientations or directed lines." –[[user:jacobolus|jacobolus]] [[User_talk:jacobolus|(t)]] 22:04, 5 May 2023 (UTC)
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