Question

What is cubit?Explained why,cubit cannot be used as a standard unit of lenght.

Answer 1

The cubit is not a good unit for measuring length because the exact length was unknown. In ancient times, the cubit was used to express the length of an object, one cubit being equal to the length of ones fingertip to ones elbow. ... The measure of body parts were once accepted as standard units of length.

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