Answer:
1.
2.It is 90°-60°-30° triangle, "1: \\sqrt{3} : 2" is the ratio of lengths of sides.
3.Since Z = z than "X =z\/2" and "Y=\\sqrt{3}*z\/2"
4.In first quadrant: "X =z\/2" and "Y=\\sqrt{3}*z\/2"
In second quadrant: "X = - z\/2" and "Y=\\sqrt{3}*z\/2"
In third quadrant: "X =-z\/2" and "Y=-\\sqrt{3}*z\/2"
In fourth quadrant:"X =z\/2" and "Y=-\\sqrt{3}*z\/2"
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