9514 1404 393
Answer:
see attached
Explanation:
The terminal ray of the angle is shown in the attachment. 2π/5 radians is 72°. Angles are measured counterclockwise (CCW) from the +x axis.
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π radians is 180°
The angle lines are shown every 15° in the attached. 72° is just short of the 75° represented by the angle line before π/2.