Theorem: The diagonals of a rectangle are congruent.

Kim is writing the proof of the theorem using two properties of a rectangle as shown below.

• The opposite sides of a rectangle are congruent and parallel.
• Each angle of a rectangle is 90°.

Using the two given properties, Kim can prove that triangle ADB is congruent to triangle BCA using the _________ Postulate.

Question

Theorem: The diagonals of a rectangle are congruent. 
 
Kim is writing the proof of the theorem using two properties of a rectangle as shown below.

• The opposite sides of a rectangle are congruent and parallel.
• Each angle of a rectangle is 90°. 

Using the two given properties, Kim can prove that triangle ADB is congruent to triangle BCA using the _________ Postulate.

anonymous · Answer

attachment

anonymous · Answer

@pfenn1  can you please tell me the answer this is my last question please?

pfenn1 · Answer

I don't really know this postulate but I think they might talk about here http://www.cliffsnotes.com/study_guide/Congruent-Triangles.topicArticleId-18851,articleId-18788.html

anonymous · Answer

She could use SSS (Side Side Side), SAS, HL, etc if you were talking about proofs.

anonymous · Answer

CPCTC?

anonymous · Answer

can someone say the answer cuz i dont get it plz?