Finding length via ruler

Last updated at August 8, 2026 by

Finding length of AB with ruler

6.jpg

We measure AB

& AB = 6.5 cm

But , there can be errors……..

 

We might have difficulty reading over the marks in the pointer

 

We can also have positioning error

 

Positioning error

Finding length via ruler - Part 2

If our eyes are not vertically on top of the object,

we may get errors due to angular viewing.

 

So, how do we get rid of such errors?

We use a divider.   

Finding length via ruler - Part 3                                                                   

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