2. SIMILAR TRIANGLES Similar figures have the same shape, but are a different size.

3. SIMILAR TRIANGLES Corresponding sides of similar figures are proportional. 2" 4" 3" 6"

4. SIMILAR TRIANGLES Using proportions, we can find the lengths of missing sides of similar figures. 6" 12" 4" ?

5. SIMILAR TRIANGLES 6" 12" 4" x 612 4 = x

6. 6" 12" 4" x 6 12 4 = x x = 48÷6 = 8"

7. SIMILAR TRIANGLES 6" 12" 4" ? 64 12 = x

8. 6" 12" 4" x 6 4 12 = x x = 48÷6 = 8"

9. SIMILAR RECTANGLES 7"x 4" x 8"

10. 7"x 4" x 7 x 4 = 8 8"

11. 7"x 4" x 7 x 4 = 8 8" x = 14"

12. SIMILAR RECTANGLES 7"x 4" x 7 4 x = 8 8"

13. 7"x 4" x 7 4 x = 8 7.5" x = 14"

14. SIMILAR RECTANGLES 5" 8" x 10"

15. 5" 8" x 5 8 10 = x 10"

16. 5" 8" x 5 8 10 = x 10" x = 16"

17. SIMILAR RECTANGLES 5" 8" x 5 10 8 = x 10"

18. 5" 8" x 5 10 8 = x 10" x = 16"