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Sagot :
Answer:
42°
Step-by-step explanation:
3x + 54° = 180° [Supplementary angles]
=> 3x = 180 - 54
=> 3x = 126
[tex] = > x = \frac{126}{3} [/tex]
=> x = 42° (Ans)
Answer:
3x+54= 180(linear pair are supplementary)
3x= 180-54
3x= 126
x= 126/ 3
x= 42°
hope it helps you
mark me as brainliest
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