In triangle ABC, AB = 4cm, BC = 5cm, AC = 6cm. Compare angles A, B, and C.

Solution:

1. ∠В> ∠А.

2. ∠А> ∠С.

Answer: ∠С <∠А <∠В.

To solve the problem, knowledge about the relationships between the sides and the angles of the triangle is used: in the triangular, opposite the larger side, there is a larger angle; in a triangle opposite the larger angle lies the larger side.



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