Name
Date
Period
Homework
Geometry & Probability
Unit B – Lesson 13
                                    
Given the scale factor, describe what will happen to the side lengths, perimeter
and area of the image.
Scale Factor
1
2
3
Side Lengths
Perimeter
Area
4
6
1/3
4
20 times the
original
5
100 times the
original
Find the scale factor from the left shape to the right shape. Show your work.
Find the missing side length. Show your work.
6. SF = ________ x = _______
7. SF = ________ x = _______
7.5 cm
10 cm
8 in
1 cm
x
x
6 in
10 in
8. SF = ________ x = _______
9. SF = ________ x = _______
x
8 in
1 in
14 m
x
8m
10 m
3 in