Question

If DE || OB and EF || BC , then prove that DF || OC

Answer 1

hello............


if DE║OB then by B.P.T theorem
AE/EB=AD/DO          .................1

EF║BC then by B.P.T theorem
AE/EB=AF/FC           ..................2

BY EQ. 1 AND 2

AF/FC=AD/DO
THEN BY CONVERSE OF B.P.T THEOREM 
DF║OC

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HOPE THIS WOULD HELP YOU

Answer 2

Answer:

Step-by-step explanation:

DE║OB then by B.P.T theorem

AE/EB=AD/DO          .................1

EF║BC then by B.P.T theorem

AE/EB=AF/FC           ..................2

BY EQ. 1 AND 2

AF/FC=AD/DO

THEN BY CONVERSE OF B.P.T THEOREM 

DF║OC