Question

A curved line cannot be measured with a ruler . Why?

Answer 1

Answer:

We can not measure the length of a curved line by using a scale directly. The length of a curved line can be measured by using a thread and a scale. (1) We take a piece of thread and put a knot near its one end. This knot will act as a starting point for measuring the length of the curved line .

Answer 2

Answer:

We can not measure the length of a curved line by using a scale directly. The length of a curved line can be measured by using a thread and a scale. (1) We take a piece of thread and put a knot near its one end. This knot will act as a starting point for measuring the length of the curved line .