The 1st one, I think....
I didn't understand your handwriting, though..
Answer:
(3,1)
Step-by-step explanation:
go up by 3 and go down by 1
Answer:
DE/AB= DC/AC , 12/AB= 6/11 , AB= 12×11/6=2×11=22 , Sory i can't explain , i bad know english language. or so ABC~CDE because DE||AB=> DE/AB=DC/AC