Question:
In a ΔABC, if ∠B = ∠C = 45°, which is the longest side?
Solution:
Given that in ΔABC,
∠B = ∠C = 45°
We have to find longest side
We know that.
Sum of angles in a triangle =180°
∠A + ∠B + ∠C = 180°
∠A + 45° + 45° = 180°
∠A = 180° - (45° + 45°) = 180° - 90° = 90°
∠A = 90°
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