In the given figure points A and B lie on the X axis. Find the distance AB.
A
2.5 units
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B
3 units
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C
1 units
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D
2 units
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Solution
The correct option is D 2 units The distance between 2 points on the X-axis is given by : x2−x1
In this case x2= 3 and x1 = 1. ∴ AB = x2−x1= 3 - 1 = 2 units.