Mathematics · Properties and Construction of Triangles
For which of the following measurements can the construction of triangle ABC be uniquely done?
- 1AB = 5 cm, BC = 6 cm, ∠ABC = 130°, ∠BAC = 25°
- 2∠ACB = 120°, ∠ABC = 25°, AC = BC = 4 cm✓
- 3AB = 8 cm, BC = 4 cm, ∠BCA = 90°, ∠ABC = 60°
- 4AB = 3 cm, BC = 4 cm, AC = 7 cm
Correct answer
∠ACB = 120°, ∠ABC = 25°, AC = BC = 4 cm
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