The Standard Position of an Angle

作成者:Ms. Orr, Auston B Cron

An angle is in standard position if its vertex is located at the origin and one ray is on the positive x-axis. The ray on the x-axis is called the initial side and the other ray is called the terminal side.

http://web.psjaisd.us/auston.cron/ABCronPortal/GeoGebraMenu/GeogebraFiles/trigonometry/definitions/StandardPosGG3.html

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