Consider parallelogram ABCD. Choose all of the statements which MUST be true.


∠ADB ≅ ∠CBD


ADC + DCB = 180


∠CED ≅ ∠DEA


AE = EC AC = DB

Consider parallelogram ABCD Choose all of the statements which MUST be true ADB CBD ADC DCB 180 CED DEA AE EC AC DB class=