Question

3. In the adjoining figure, ABCD is a
quadrilateral in which AB|| DC and
AD || BC. Prove that ZADC - LABC.​

Answer 1

Answer:

AB||CD and BC||AD.so, quadrilateral ABCD is a parallelogram. when ABCD is a parallelogram then the opposite angle of parallelogram are equal.

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Step-by-step explanation:

Answer 2

Answer:

AB||CD and BC||AD so, quadrilateral ABCD is a parallelogram when ABCD is parallelogram opposite sides will be equal