SOLUTION: What theorem could be used to explain that AB=ZR, if AB=CD and CD=ZR?

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Question 668671: What theorem could be used to explain that AB=ZR, if AB=CD and CD=ZR?
Answer by swincher4391(1107)   (Show Source): You can put this solution on YOUR website!
I'm not sure if this is a theorem, but the question you are asking exemplifies the "Transitivity Property".
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