Question

1.
E. Answer the following questions in short.
Explain why hand span cannot be used as a standard unit of length
2. What is cubit? Explain why cubit cannot be used as a standard unit of length
3. Why a foot-step cannot be used as a standard unit of length?
What is meant by saying that the length of a table is 2 metres?
5. Name two devices which are commonly used for measuring length
6. What type of scale (device) would you use to measure your chest?​

Answer 1

Answer:

5. ruler and yard scale , they are very commonly used tools for measuring length