1.

The sum of the angle and twice of its supplement is 280 .Find the angle

Answer»

Answer:

LET the ANGLE be 'x°'

The TWICE of its supplement = 280°

Step-by-step explanation:

According to the problem

x° + 280° = 360°

x° = 360° - 280°

x° = 180°

Therefore, the angle = 180°



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