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diamong [38]
3 years ago
6

100Points! show work

Mathematics
1 answer:
ozzi3 years ago
6 0

THEOREM:

  • Angle sum theorem —: The sum of the measures of the interior angles of a triangle is 180°.

ANSWER:

By angle sum property,

  • x + 43° + 73° + 70° = 180°
  • x + 186° = 180°
  • x = 180° – 186°
  • x = –6°

So, <u>Correct choice</u> - [C] –6.

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