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Sagot :
Answer:
(3x+12)+X=180
Step-by-step explanation:
Supplementary angles always equal 180
Answer:
C. (3x + 12) + x = 180 is the correct answer.
Step-by-step explanation:
The angle of any straight line is 180*, and since thats a sraight line, then the acute angle (x) plus the obtise angle (3x + 12) must equal 180*.
Hope this helps!
Also x = 42* for reference.
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