Using the theories of geometry, the missing reasons for the statements in the proof are :
- 3 ___ definition of parallelogram
- 4 ___ alternate interior angles
- 5 ___ Reflexive property of congruence
- 6 ___ Angle Side Angle (ASA)
The Lines AB and CD are parallel
Angle B and Angle D are equal ; both angles are equal as they are alternate interior angles.
An angle is always congruent to itself (Reflexive property of congruence)
Hence, the proof.
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