In a right ∆ABC, ∠B=90°. Find the longest side.
It is given in the question that,
In right triangle ABC,
∠B = 90o
So, ∠A + ∠C = 90o
∴ ∠A, ∠C < ∠B
Hence, the side opposite to ∠B is longest
Thus, AC is the longest side