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Can someone solve this proof for me

Can someone solve this proof for me-example-1
User Calmrat
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The prove, segment AB is parallel to segment DC. is achieved using Alternate interior angles are equal

How to complete the proof

The two column proof is written as follows

Statement Reason

AB ≅ DC given

AD ≅ BC given

AC ≅ AC Reflexive property

Δ ADC ≅ Δ ABD SSS congruence theorem

∠ 1 ≅ ∠ 2 CPCTC

AB || DC Alternate interior angles are equal (∠ 1 ≅ ∠ 2)

User VoidStar
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