In this activity I learned about angles in standard position. An angle is in standard position if it's vertex is on the origin and one ray (initial side) is located on the positive x-axis. The initial side is the one on the x-axis, while the terminal side can move. If the terminal side lies on one of the axes than an angle is considered a quadrantal angle.
I thought your explanation was very helpful. I like how you included an image of the graph.
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