Respuesta :

waqarbaig613

Answer:

2pi/3

Step-by-step explanation:

If you don't know your trig identities, theres an easy way to do this.

just know that 360 = 2pi or 180 = pi then do the ratio

so 180/120 = pi/x

x = 120pi/180 = 2pi/3

Hope that answers your question

     

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