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Mathematics 19 Online
OpenStudy (anonymous):

I really need your help.. What are the missing reasons in the proof? Given:▱ABCD with diagonal line segment BD Prove: Triangle ABD is congruent to triangle CDB Diagram will be in the comments. Statements: Line segment AB is parallel to line segment CD Reason:??? Angle ABD is congruent to angle CDB Reason: ??? Line segment DB is congruent to DB Reason: Reflexive Property Triangle ABD is congruent to triangle CDB Reason: ???

OpenStudy (anonymous):

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OpenStudy (anonymous):

All you need to do on this one is look, is AB parallel to CD?

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

Then that's right. What does congruent mean?

OpenStudy (anonymous):

I think it might be by the Corresponding angles theorem. Congruent means the same.

OpenStudy (anonymous):

What do you think?

OpenStudy (anonymous):

@BrittanyFrench

OpenStudy (anonymous):

Yupp! Now can you figure out what it is?

OpenStudy (anonymous):

I think by the SAS Postulate of Congruence.

OpenStudy (anonymous):

@BrittanyFrench Am I correct?

OpenStudy (anonymous):

I think I am incorrect. I was thinking of another angle.

OpenStudy (anonymous):

I'm sorry I had to go away for a moment. Uh let me check just in case. I'm not sure on this actually.

OpenStudy (anonymous):

Okay, it's alright. I had to do the same.

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