Statements
Reasons
1. AD BC;
1. given
AD IBC
2. CAD and ACB are alternate i...
Mathematics, 12.05.2021 05:50 staceyh146
Statements
Reasons
1. AD BC;
1. given
AD IBC
2. CAD and ACB are alternate interior us 2. definition of alternate interior angles
3. CAD - ACB
3. alternate interior angles are congruent
4. AC - AC
4. reflexive property
5. ACAD - AACB
5. SAS congruency theorem
6. AB - CD
6. ?
7. ABCD is a parallelogram
7. parallelogram side theorem
What is the missing reason in step 6?
SSS congruency theorem
CPCTC
definition of a parallelogram
opposite sides in a parallelogram are congruent
Answers: 3
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