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I need help quick thanks

I Need Help Quick Thanks class=

Sagot :

Angle 1: (represent by x)
x+74+43=180
x=180-74-43=63

Angle 2:
Angle 2=Angle 1 (Vertically opposite angles)

Angle 3: (represent by x)
63+79+x=180
x=180-79-63= 38