Algebra 2 question. Needed the opposite, if it was would be 150 but if it isn't ?.

120°

Step-by-step explanation:

180 + 30 = 210

30 - 360 = -330

0 - 30 = -30

120 does not have a basic angle of 30, it's basic angle is 60°

Because,

180 - 120 = 60

120

Step-by-step explanation:

A reference angle is the angle it makes with the x axis,

120 makes a 60 degree angle with the x axis

(180-120) = 60  It is closer to the negative x axis

210 is closer to the negative x axis which is 180

210-180 = 30

-330 is closer to the positive x axis which is 0 or 360

-330 - (-360) = 30

-30 is closer to the positive x axis which is 0

-30 - (0) = -30

-30 but the angle itself is  30

srry idk

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