Enlarging animals

This task is about working out scale factors and lengths of sides.
Petra was making a collage of animal pictures.
She used the photocopier to enlarge some pictures she found online.
For each picture find:
 
1)  the scale factor of the enlargement, and
2)  the length of the marked side.

Question 1Change answer

 diagram of enlargement
[Not drawn to scale]
a)  i)  scale factor = 
     ii) side x =  mm
 

Question 1Change answer

diagram of enlargement
[Not drawn to scale]
b)  i)   scale factor = 
     ii)  side y =  mm
 

Question 1Change answer

diagram of enlargement
[Not drawn to scale]
c)  i)   scale factor = 
     ii)  side z =  mm
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