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A shopkeeper marks two pillars of his shop at P(2, 1) and R(8, 1) on a grid where each unit is 1 metre.
The two pillars lie on the same horizontal line. How far apart are they, in metres?

Class 8Plotting PointsCoordinate Geometry
  • A6
  • B12
  • C5
  • D7

Step-by-Step Solution

Same -coordinate (1), so the segment is horizontal. Distance = difference of -values = 8 - 2 = 6 metres.
Answer: A) 6

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