Question

Suppose a ruler is broken and its zero mark is not visible. The first visible mark on it is 3 cm.

Find the length of a piece of cardboard if marking on the ruler at the other end of the object is 10

cm. Give suitable reasons for your answer.​

Answer 1

Answer: When measuring the length of the pencil, it is not a must that we start from the zero mark.

This question shows that we can even use a broken ruler to measure the length of object.

To get the length of the object, we subtract the initial reading from the final reading.

The length of the pencil = 12.1 - 2.0

Explanation: