Geometry Name Pd. 3.4 – Applications of Similarity

The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure. Show work!

1. 2. 3.

k = _________ k = _________ k = _________

4. 5. 6.

k = _________ k = _________ k = _________

The polygons in each pair are similar. Find the missing side length. Set up a proportion and solve. Show work!

7. 8.

? = ________ ? = ________

9. 10.

? = ________ ? = ________

The polygons in each pair are similar. Find the missing side length. Not drawn to scale. Set up a proportion and solve. Show work!

11. Scale factor from A to B = 1 : 2 12. Scale factor from A to B = 2 : 3

? = ________ ? = ________

13. Scale factor from A to B = 5 : 6 14. Scale factor from A to B = 6 : 7

? = ________ ? = ________

Solve for x. The polygons in each pair are similar. Not drawn to scale. Set up a proportion and solve. Show work!

15. 16.

x = ________ x = ________

17. Scale factor from A to B = 5 : 6 18. Scale factor from A to B = 6 : 7

x = ________ x = ________