Answer
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Hint: Compare the measurement taken with the help of a ruler and a divider in the segment of the circle. Thus find the difference which stores that divider is better.
Complete step-by-step answer:
A ruler and a divider can be used to measure the length of a line segment. But it is better to use a divider for an accurate measure. The thickness of the ruler and positioning of the eye may cause difficulties in reading the correct measurements.
As the divider has pointed ends, they can be placed exactly at the ends of the segment that you want to measure.
If we need to understand why this method is more accurate, lay the ruler against the line using your eyeball to line it up, then move your head back and forth sideways and see the parallax and how it obstructs the vision.
So to get more accurate results it's better to use a divider than a ruler, as the ruler may input positioning errors.
Thus it is better to use a divider than a rule.
Note: The positioning error is said as, if our eyes are not vertically on top of the object, we may get an error due to angular viewing. And thus induces incorrect positioning of the eye.
Complete step-by-step answer:
A ruler and a divider can be used to measure the length of a line segment. But it is better to use a divider for an accurate measure. The thickness of the ruler and positioning of the eye may cause difficulties in reading the correct measurements.
As the divider has pointed ends, they can be placed exactly at the ends of the segment that you want to measure.
If we need to understand why this method is more accurate, lay the ruler against the line using your eyeball to line it up, then move your head back and forth sideways and see the parallax and how it obstructs the vision.
So to get more accurate results it's better to use a divider than a ruler, as the ruler may input positioning errors.
Thus it is better to use a divider than a rule.
Note: The positioning error is said as, if our eyes are not vertically on top of the object, we may get an error due to angular viewing. And thus induces incorrect positioning of the eye.
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