Similar triangles

1. 1.
   Two triangles are similar. One has sides 8, 11 and 4. The side matching 8 on the other triangle is 12. What is the side matching 4?
2. 2.
   A shape is enlarged by a scale factor of 3. A side of 11 cm becomes how many cm?
3. 3.
   A shape is enlarged by a scale factor of 5. A side of 4 cm becomes how many cm?
4. 4.
   A shape is enlarged by a scale factor of 1.5. A side of 4 cm becomes how many cm?
5. 5.
   A rectangle 7 cm by 9 cm is enlarged to 14 cm by 18 cm. What is the scale factor?
6. 6.
   A rectangle 10 cm by 12 cm is enlarged to 20 cm by 24 cm. What is the scale factor?
7. 7.
   A shape is enlarged by a scale factor of 2. A side of 8 cm becomes how many cm?
8. 8.
   Two triangles are similar. One has sides 3, 11 and 5. The side matching 3 on the other triangle is 12. What is the side matching 5?
9. 9.
   Two triangles are similar. One has sides 9, 9 and 7. The side matching 9 on the other triangle is 36. What is the side matching 7?
10. 10.
    A rectangle 8 cm by 11 cm is enlarged to 20 cm by 27.5 cm. What is the scale factor?
11. 11.
    A shape is enlarged by a scale factor of 5. A side of 2 cm becomes how many cm?
12. 12.
    A shape is enlarged by a scale factor of 5. A side of 7 cm becomes how many cm?
13. 13.
    Two triangles are similar. One has sides 7, 8 and 9. The side matching 7 on the other triangle is 17.5. What is the side matching 9?
14. 14.
    A shape is enlarged by a scale factor of 1.5. A side of 3 cm becomes how many cm?
15. 15.
    A rectangle 10 cm by 4 cm is enlarged to 50 cm by 20 cm. What is the scale factor?
16. 16.
    A shape is enlarged by a scale factor of 2.5. A side of 3 cm becomes how many cm?
17. 17.
    Two triangles are similar. One has sides 10, 12 and 5. The side matching 10 on the other triangle is 20. What is the side matching 5?
18. 18.
    A rectangle 6 cm by 3 cm is enlarged to 30 cm by 15 cm. What is the scale factor?
19. 19.
    Two triangles are similar. One has sides 8, 4 and 3. The side matching 8 on the other triangle is 24. What is the side matching 3?
20. 20.
    A rectangle 2 cm by 3 cm is enlarged to 4 cm by 6 cm. What is the scale factor?

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