Question

answer the questions please​

Answer 1

1.AD=BC

2.DCB=DAB

3.OC=OA

4. SORRY I DONT KNOW THE 4TH ONE

hope it helps

Answer 2

Step-by-step explanation:

AD=BC ( opposite sides of parallelogram are equal)

DCB= DAB (opposite angle of parallelogram are equal)

OC=OA ( bisected by DB)

DAB+CDA= 180° ( supplementary angle)

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