Question

-------- is used to measure distance along a curved line ​

Answer 1

Answer:

An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines.

Explanation:

None

Answer 2

Answer:

Opisometer

Explanation:

An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines