Question

What similarities do scales share with rulers?

Answer 1

They both have a measuring system that looks somewhat like a numberline and they both mesure something. (Also both are referred to as a rular

Explanation:

In scientific and engineering terminology, a device to measure linear distance and create proportional linear measurements is called a scale. A device for drawing straight lines is a straight edge or ruler. In common usage, both are referred to as a ruler.

Answer 2

Both are used to measure some things to some kind of extent.

Explanation:

For example Rulers and Scales are used in Geometry to measure length but the extent to which a Scale can measure the length is limited wheareas the for the ruler it is unlimited.