Jordan says that from the information supplied in the diagram, she can conclude that R is on the perpendicular bisector of QS. Robert disagrees. Is either of them correct? Explain your reasoning.

Question

anonymous · Answer

|dw:1335991548681:dw|

anonymous · Answer

Counterexample:

Let us have a line:|dw:1335992063367:dw|

anonymous · Answer

Its perpendicular bisector would look like this:|dw:1335992091271:dw|

anonymous · Answer

But what if our triangle is actually like this?|dw:1335992112543:dw|