The GCF for 18 and 45 is 9.
Circumcenter is the one among the following choices given in the question that may fall outside a triangle. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer you were looking for and it has come to your help.
Answer:
647637=
Step-by-step explanation:
The grapph one. I’m not sure but the others don’t work so I would go with the graph
Answer:
a)
b)
c)
d)
e)
f)
Step-by-step explanation:
a) 
b)
c)
d)
e)
f)
