Question

please solve this question it is urgent

Answer 1

In fig. ED ll OQ

And DF ll OR

In triangle POQ

As DE ll OQ

PE/EQ=PD/DO......(1)

In triangle POR

AsDF ll OR

PD/DO=PF/FR...... (2)

From 1 and 2

PE/EQ=PF/FR

So by thales theorem

EF ll QR

Hence proved

Answer 2

Hey mate here is your answer

Hope it helps you

Thank you