answer the questions please
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1.AD=BC
2.DCB=DAB
3.OC=OA
4. SORRY I DONT KNOW THE 4TH ONE
hope it helps
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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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