Answer:
90 + x
Step-by-step explanation:
supplementary angles are angles that add up to 180.
90 + 90 = 180
-x + x = 0
90-x + 90 + x = 180.
so, your answer would be 90 + x
Check! lets say X = 6
90-6 + 90 + 6 = 180.
Good luck with your schoolwork/homework!
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apologies in advance for incorrect answers or bad explanations.
