In △ ABC and △ XYZ, if AB = XY, BC = YZ and ∠ ABC = ∠XYZ = 90∘, then by which postulate is △ABC ≅△XYZ ?
In ΔABC, ∠A=40∘ and ∠B=60∘. Then, the longest side of ΔABC is(a) BC (b) AC(c) AB (d) cannot be determined