Respuesta :

aminerassam

Answer:

  • 1. x = 180 - (90 + 57) = 180 - 147 = 33°
  • 2. given: AB = BC = AC

side = equilateral (all sides are equal)

measure = acute (3 acute angles) 180/3 = 60°

  • 3. x = 180 - (29 + 15) = 180 - 44 = 136°
  • 4. no it's not unique because we don't have any side length.
  • 5. ∠D = 2×38

∠D = 76°

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