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2 answers:
Answer:
2x+20 + x+40 = 180
Step-by-step explanation:
The angles are supplementary so they add to 180
2x+20 + x+40 = 180
Answer:
( 2 x + 20 )° + ( x +40 )° = 180°
Step-by-step explanation:
- They both angles are on straight line so , its supplementary angles and we know that sum of angles of supplementary angle is 180°.
( 2 x + 20 )° + ( x +40 )° = 180°
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