Question

please answer i have my boards gotta prepare​

Answer 1

HERE'S THE ANSWER

First take ∆OPQ,

BY BPT,

OB/BQ= OA/AP---------------(1)

Then take ∆OPR,

BY BPT

OC/CR= OA/AP------------------(2)

FROM EQUATION 1 AND 2

SINCE, RHS IS EQUAL

THEREFORE,

OB/BQ = OC/ CR

therefore by Converse of BPT BC||QR

HENCE PROVED.