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20 June, 21:49

What is the reference angle for 120°? A. 30° B. 45° C. 60° D. 120° E. 240°

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  1. 20 June, 22:06
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    C

    Step-by-step explanation:

    120° is an angle in the second quadrant.

    The reference angle is the related acute angle in the first quadrant, that is

    reference angle = 180° - 120° = 60° → C
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