Length and scale factor

Ben was designing his own Christmas wrapping paper. He enlarged his original drawings on to the wrapping paper. For each shape he drew, find
  1. the scale factor of the enlargement, and
  2. the length of the marked side.

Question 1Change answer

Original Drawing Enlarged Drawing  
LengthandScaleTreeSmall.png
LengthandScaleTreeBig.png
scale factor = 
 
 
length of w =  mm

Question 1Change answer

Original Drawing Enlarged Drawing  
scale factor = 
 
 
length of y =  mm

Question 1Change answer

Original Drawing Enlarged Drawing  
scale factor = 
 
 
length of z =  mm

Question 1Change answer

Original Drawing Enlarged Drawing  
scale factor = 
 
 
length of x =  mm