Question

In the given figure AB||CD and O is the mid point of AD. Show that O is the mid point of BC.​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

In the given figure,

CD || AB

thus,

< CDA = < BAD

and,

< COD = < BOA (Vertically Opposite Angles)

Given, AO = OD,

thus by ASA (Angle-Side-Angle) Congruency Theorem,

∆AOB is congruent to ∆COD,

By C.P.C.T,

CO = OB,

thus O is the mid point of BC.