What is the supplement of an angle that measures 7x:

A) 7x-90

B) 90-7x

C) 7x-180

D) 180-7x


*Thank to the person out there!


Answer :

D because 180= angle 1 + angle 2 so to find the answer just subtract 180 by angle 1 to find angle 2, angle 1 being 7x, so 180-7x

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