You can put this solution on YOUR website! An angle is formed by rotating a ray along fixed end.The extent of rotation gives the degree measure of an angle.
You can put this solution on YOUR website! "An angle is a combination of two rays (half-lines) with a common endpoint. The latter is known as the vertex of the angle and the rays as the sides, sometimes as the legs and sometimes the arms of the angle."
Source: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-geometry/cc-7th-angles/v/angle-basics
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