Question

Pls answer this question 1

Answer 1

Answer:

DAB + CDA = 180°....... ( adjecent angles of parallelogram are supplementry)

Answer 2

Answer:

(i) AD = BC

[Since opposite sides of a parallelogram are equal]

(ii) DCB = DAB

[Since opposite angles of a parallelogram are equal]

(iii) OC = OA

[Since diagonals of a parallelogram bisect each other]

(iv) DAB + CDA =  

[Adjacent angles in a parallelogram are supplementary]

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