Step-by-step explanation:
Statement | Reason
CB=AB Given
DBC=DBA Given
DB = DB Reflexive Property
/_\ DBC
=~
/_\DBA SAS
Sorry for the formatting the =~ means congruent.
That would be (1, -3) because you basically divide the coordinates by the scale factor, in this case 2.
Answer: simplified ratio would be 3:2
Step-by-step explanation: the ratio would be 12:8
Answer:
100
Step-by-step explanation:
since its collinear it has to be 180 -80 which equals 100.