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If the distance between the points (3, a) and (3, 5) is 12 units and a < 5, find a.

Class 10Distance FormulaGeometry — Coordinates
  • A-14
  • B-8
  • C-7
  • D-6

Step-by-Step Solution

Same -coordinate, so distance = || = 12. So (since .
Answer: C) -7

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