Triangles 7.1

In the quadrilateral

PQRS

given below,

PS = QR

and

∠ SPQ = ∠ PQS

Apart from the given information, which of these can we use to prove that $△ PQS ≅ △ QPR$ ‍ ?

(Choice A)
There is a common angle shared between the two triangles.
(Choice B)
The two triangles have an equal angle using the property of vertically opposite angles.
(Choice C)
The two triangles have an equal angle using the property of alternate interior angles.
(Choice D)
There is a common side shared between the two triangles.

Class 9