In a triangle ABC, a = 2b and `angle A = 3 angle B`. Which one of the following is correct ?

In a triangle ABC, if a = 2b and A = 3B then which one of the following is correct ?

In a triangle ABC, if a = 2b and A = 3B then which one of the following is correct?

In triangle ABC and triangle DFE , AB = FD , angle A = angle D . The which of the following is correct ?

In a triangle ABC if the angles A, B, C are in AP, then which one of the following is correct ?

In DeltaABC , if the angles A.B.C are in AP, which one of the following is correct ?

In triangle ABC and triangle PQR If AB = QP , angle B = angle P , BC = PR then which one of the following congruence conditions applies :

If tan A>tan B in the triangle ABC as shown.then which one of the following is correct?

In a right-angled triangle ABC, if angle B = 90°, then which of the following is true?