Subject :IMO Class : Class 9
Which of the following options is INCORRECT?
A An angle of 52.5º can be constructed.
B A triangle ABC can be constructed in which AB = 5 cm, ∠A = 45º and BC + AC = 5 cm.
C A triangle ABC can be constructed in which BC = 6 cm, ∠C = 30º and AC – AB = 4 cm.
D A triangle ABC can be constructed in which ∠B = 60º, ∠C = 45º and AB + BC + AC = 12 cm.
how can b be the answer pls help