Question

please answer this question​

Answer 1

Answer:

Step-by-step explanation:

In fig ΔOPQ and Δ ORS

OQ=OS

Op=OR

∠OPQ=∠ORS ( VOA)

So ΔOPQ ≅  Δ ORS

Thus ∠PQO=∠OSR

SO PQ || RS

Similarly

QR || PS

So the opposite side of PQRS are parallel

hence PQRS is a parallelogram

Proved