Given: AD BC and AD || BC

Prove: ABCD is a parallelogram.

Angles Segments Triangles Statements Reasons

SAS

reflexive property

VX

A

def. Of alt. Interior angles

alternate interior angles theorem

B

Statements

✓ 1. AD BC

✓ 2. AD || BC

Reasons

1. Given

2. Given

D

Correct! Assemble the next

statement

Intro

11 of 12



Answer :

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