Question

what is the disadvantage in compairing line segment by mere obbservevation

Answer 1

Answer:

When we compare two line segments of almost same lengths, we cannot be sure about the line segment of greater length. Therefore, it is not an appropriate method to compare line segments having a slight difference between their lengths. Therefore, this is the disadvantage in comparing line segments by mere observation.

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Answer 2

Answer:

$\huge\bf{{\color{indigo}{A}}{\color{maroon}{N}}{\red{S}}}$

The disadvantage of comparing line segment by mere observation is that-

The measurement will not be accurate as it's just a guess.

There can be an error in measuring line segment by mere observation