TEACHER-GUIDE-VERIFIED · TG-V9-072

5. A model is enlarged by scale factor 3. State the area and volume scale factors.

Verified solution

Solution: Area factor=3^2=9; volume factor=3^3=27.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-072

Scale Area and Volume from Length (TG-V9-072)

For a uniform length scale factor of 3, area scales by 3² = 9 and volume by 3³ = 27. Compare side-1 and side-3 cubes to check both dimensionless factors.

Space Math Explorers · approved worked example · 1:07 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.