Question

Hey guys solve the question in the attachment please
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Answer 1

Given: in the given figure DE ll OQ and DF ll OR

R.T.P: EF ll OR

Proof : in triangle POQ , DE ll OQ

By B.P.T , PE/EQ = PD/OD _____________ (1)

In triangle POR, DE ll OR ,

By B.P.T , PE /FR = PD/OD ______________(2)

from (1) and (2) we get

PE/ EQ = PE/FQ

By C.B.P.T , EF is parallel to QR ( EF ll QR )