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  • 04-03-2018
  • Mathematics
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How to find x in this math problem?

How to find x in this math problem class=

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Banabanana
Banabanana Banabanana
  • 04-03-2018
In a triangle, the three interior angles always add to 180°  ⇒
The third interior angle of the triangle = 180 - (30+20) = 130°

Vertical angles are equal ⇒  x = 130°

The answer is 130°
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