The length of a unit segment on the coordinate line is 1 cm. Point A corresponds to the number -2.5,
| May 5, 2021 | education
The length of a unit segment on the coordinate line is 1 cm. Point A corresponds to the number -2.5, and point B corresponds to the number opposite to it. Find the length of the line segment AB.
To calculate the distance correctly, you can use two methods.
1) Using the module.
| -2.5 | + | 2.5 | = 5
2) In the second case, we need to mark point 0 on the segment and add the length of two segments 0A and 0B
A0 = 2.5
0V = 2.5
A0 + 0B = 2.5 + 2.5
A0 + 0B = 5
Answer: the length of the segment AB = 5 cm
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