Decide whether each statement is true or false ?

I. Decide whether each statement is true or false, and give a short explanation or example to


support your choice. (5 points each)





___________ 1. line EF = segment EF U segment FE.








___________ 2. If ray AR = ray AS, then A – R – S.








___________ 3. ΔBAC is contained in exactly one plane.








___________ 4. If segment PQ is congruent to segment RS, then P and Q are other names for points R and S.








___________ 5. The distance function is a one‐to‐one function.








___________ 6. If A – B – C and B – C – D, then line AB = line CD.








___________ 7. angle CBA is a subset of ΔABC. Decide whether each statement is true or false ?
1. T


2. T


3. T


4. F


5. T


6. T


7. F





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