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Scale factors and enlargement

7th grade (Year 8 in England) · 16 questions · Common Core: 7.G.A.1 · England: KS3 Geometry, GCSE Foundation Geometry

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  1. Question 1

    A side of 2 cm becomes 4 cm after an enlargement. What is the scale factor?

    Answer

  2. Question 2

    A 18 cm by 10 cm rectangle is enlarged by scale factor 0.5. What is the new width in cm?

    Answer

  3. Question 3

    A side of 6 cm becomes 30 cm after an enlargement. What is the scale factor?

    Answer

  4. Question 4

    A 18 cm by 4 cm rectangle is enlarged by scale factor 2. What is the new length in cm?

    Answer

  5. Question 5

    A side of 3 cm becomes 15 cm after an enlargement. What is the scale factor?

    Answer

  6. Question 6

    A 8 cm by 14 cm rectangle is enlarged by scale factor 5. What is the new length in cm?

    Answer

  7. Question 7

    A side of 3 cm becomes 12 cm after an enlargement. What is the scale factor?

    Answer

  8. Question 8

    A 12 cm by 8 cm rectangle is enlarged by scale factor 4. What is the new width in cm?

    Answer

  9. Question 9

    A side of 7 cm becomes 28 cm after an enlargement. What is the scale factor?

    Answer

  10. Question 10

    A 6 cm by 12 cm rectangle is enlarged by scale factor 4. What is the new length in cm?

    Answer

  11. Question 11

    A side of 5 cm becomes 25 cm after an enlargement. What is the scale factor?

    Answer

  12. Question 12

    A 6 cm by 14 cm rectangle is enlarged by scale factor 0.5. What is the new length in cm?

    Answer

  13. Question 13

    A side of 6 cm becomes 12 cm after an enlargement. What is the scale factor?

    Answer

  14. Question 14

    A 18 cm by 18 cm rectangle is enlarged by scale factor 0.5. What is the new length in cm?

    Answer

  15. Question 15

    A side of 4 cm becomes 20 cm after an enlargement. What is the scale factor?

    Answer

  16. Question 16

    A 10 cm by 16 cm rectangle is enlarged by scale factor 4. What is the new length in cm?

    Answer

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  1. 2
  2. 5
  3. 5
  4. 36
  5. 5
  6. 40
  7. 4
  8. 32
  9. 4
  10. 24
  11. 5
  12. 3
  13. 2
  14. 9
  15. 5
  16. 40