Answer:
Statement 2: m<AXD = 180°
Reason 2: Definition of Straight Angle.
Statement 3: m<AXB + m<BXD = m<AXD
Reason 3: Angle Addition Postulate.
Statement 4: m<AXB + m<BXD = 180°
Reason 4: Transitive property of equality.
Reason: 5: Definition of Supplementary.
Explanation:
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