I have no idea: Name the property that justifies....

[The_Rose]

Name the property that justifies each statement:

If AB < CD, then AB + RS < CD + RS

 

[jonboy]

What all properties have you been working on lately? Also what do you think?

 

[pka]

Re: I have no idea how to do Geometry!

Name the property that justifies each statement:
If AB<CD, then AB+RS<CD+RS

The answer to your question depends upon what your textbook says.
In other words, there is no standard answer to this question.
So read the textbook. Look for the definitions.