Respuesta :

2. the scale factor is x= 4.5 cm
this is because when u see how much it dilated from 4cm to 2cm it divided from 2, so if u did the same for the other number. Which is 9, it’s 9/2 which equals 4.5
2 is 4.5 and 3 is 12 8x7.5=60 60 dived by 5x equals 12