How many inches is a ruler?

Related questions

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5. Is an inch bigger than a centimeter?
6. How many fingers dilated 5 cm?
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Tags

1. #measuring
2. #focus
3. #inches
4. #measurement
5. #ruler
6. #lesson
7. #length
8. #standard
9. #there
10. #system
11. #using
12. #which
13. #specifically