Answer:
C, E, F
Step-by-step explanation:
A:
ratio of lengths of sides = (9 m)/(3 m) = 3
Any rectangle in which the lengths of two adjacent sides is 3:1 is a scaled version.
B: 10/4 = 2.5, not 3
C: 13.5/4.5 = 3, this works
D: 8/2 = 4, not 3
E: 18/6 = 3, this works
F: 4.5/1.5 = 3, this works
Answer: C, E, F
