11. In the given figure : Angle BAC = Angle CDB and Angle BCA
Prove that AB = CD.
Hint. Angle ABC = Angle DCB.]
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Step-by-step explanation:
In triangles ABC and BCD
BC = CB (common)
<a = <d (given)
<acb=<dbc
Therefore by AAC Criterion of congruency the triangles are congruent.
=> AB = CD, Corresponding sides of congruent triangles
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