Answer :
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°