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Sati [7]
3 years ago
8

Find the measure of angle A

Mathematics
1 answer:
Brut [27]3 years ago
5 0

Answer:

-7

Step-by-step explanation:

  1. The sum of all angles in a triangle will be equal to 180.
  2. So we add x+46+x+71+77=180*
  3. 2x+194=180
  4. 2x= -14
  5. x=-7
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