Question

Plz give the answer fast.....

Answer 1

Answer:

Step-by-step explanation:

DB=FB  ....1                                          TANGENT TO A CIRCLE

EC=CD ....2                                          FROM AN EXT. PT ARE

AE=AF ....3                                           EQUAL.

adding 1,2,3

BF+AF+CD=AE+EC+BD

AB+CD=AC+BD

Hence proved