Name_________________________________________________ Day & Class _______________
Using scale factor to determine missing dimensions
Consider the shape on the left of each pair to be the original figure, which has been enlarged or reduced to
create the new shape on the right. For each pair of shapes, answer the following questions:
a) Is the change an enlargement or a reduction? (you may write E for enlargement and R for reduction)
b) What is the scale factor?
c) What is the dimension of the missing side?
Name_________________________________________________ Day & Class _______________