Question

In ∆ABC, IF ꓡB=ꓡC=45°, then BC is the longest side of the triangles true or false​

Answer 1

Answer:

TRUE. BC is the longest side.

Step-by-step explanation:

In Δ ABC, ∠ B = ∠ C = 45° Sum of angles in a triangle = 180° ∠ A + ∠ B + ∠ C = 180° ∠ A + 45° + 45° = 180° ∠ A = 180° – (45° + 45°) = 180° – 90° = 90° ∠ A = 90° ∠ B = ∠ C < ∠ A Therefore, BC is the longest side.

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