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प्रश्न
What is the disadvantage of comparing line segments by mere observation?
उत्तर
By mere observation, we cannot be absolutely sure about the judgment. When we compare two line segments of almost the 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. This is the disadvantage of comparing line segments by mere observation.
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संबंधित प्रश्न
Measure the following line segments.
From the given figure, name the
(i) parallel lines
(ii) intersecting lines
(iii) points of intersection.
Find the type of lines marked in thick lines
Find the type of lines marked in thick lines
Find the type of lines marked in thick lines
Find the parallel and intersecting line segments in the picture given below.
Think and write an object having
- Parallel lines (1) __________ (2) __________ (3) __________
- Perpendicular lines (1) __________ (2) __________ (3) __________
- Intersecting lines (1) __________ (2) __________ (3) __________
Draw any line segment, say `overline"AB"`. Take any point C lying in between A and B. Measure the lengths of AB, BC, and AC. Is AB = AC + CB?
[Note: If A, B, and C are any three points on a line such that AC + CB = AB, then we can be sure that C lies between A and B.]
If A, B, and C are three points on a line such that AB = 5 cm, BC = 3 cm, and AC = 8 cm, which one of them lies between the other two?
If B is the midpoint of `overline"AC"` and C is the midpoint of `overline"BD"`, where A, B, C, and D lie on a straight line, say why AB = CD?
