Why is the most common ruler length 30cm, is there a reason for this? 614 viewsJanuary 3, 2024 Question90.96K February 27, 2021 0 Comments Why is the most common ruler length 30cm, is there a reason for this? In: Mathematics 5 Answers ActiveNewestOldest Anonymous Posted February 27, 2021 0 Comments 30cm is approximately 1 foot, which happens to be good tradeoff between a ruler that is easy to carry/use while still being long enough to be useful in a wide variety of situations You are viewing 1 out of 5 answers, click here to view all answers. Register or Login
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