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(It has a number 6 and seven also, I just couldnt fit them in the picture. Both of them are blank on the reason and statement.) 

SamJones  Nov 19, 2017
edited by SamJones  Nov 22, 2017

Best Answer 

 #1
avatar+2190 
+1
Statements Reasons

1. Parallelogram ABCD

Given

2. \(\overline{AD}\parallel\overline{BC}\)

\(\overline{AB}\parallel\overline{CD}\)

Definition of a Parallelogram

3. \(m\angle B+m\angle A=180^{\circ}\)

\(m\angle B+m\angle C=180^{\circ}\)

Same-Side Interior Angles Theorem
\(\angle A\quad\text{and}\quad\angle B\quad\text{are supplementary.}\)\(\angle B\quad\text{and}\quad\angle C\quad\text{are supplementary.}\) Definition of supplementary angles.
   
   
TheXSquaredFactor  Nov 19, 2017
 #1
avatar+2190 
+1
Best Answer
Statements Reasons

1. Parallelogram ABCD

Given

2. \(\overline{AD}\parallel\overline{BC}\)

\(\overline{AB}\parallel\overline{CD}\)

Definition of a Parallelogram

3. \(m\angle B+m\angle A=180^{\circ}\)

\(m\angle B+m\angle C=180^{\circ}\)

Same-Side Interior Angles Theorem
\(\angle A\quad\text{and}\quad\angle B\quad\text{are supplementary.}\)\(\angle B\quad\text{and}\quad\angle C\quad\text{are supplementary.}\) Definition of supplementary angles.
   
   
TheXSquaredFactor  Nov 19, 2017

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