Answer:
∠A = ∠Q
AB/QR = AC/QS
Step-by-step explanation:
To prove that the triangles are similar, we need to prove that two sides are proportional and that the angle formed by those sides is equal.
So, the relationships that would prove the similarity are:
∠A = ∠Q
AB/QR = AC/QS
Because AB and AC form the angle A and QR and QS form the angle Q.
It means that AB is proportional to QR and AC is proportional to QS. So, the angles formed by the proportional sides are equal.