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Three Dimensional Geometry: Distance formula MCQ

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Distance formulaEasyQuestion 350002

Question

The distance between (1, 2, 3) and (4, 6, 3) is:
  1. A
    5
    Correct
  2. B
    √(9+16+0) = 5
  3. C
    √50
  4. D
    3

Correct answer

5

Explanation

d = √((4−1)² + (6−2)² + (3−3)²) = √(9+16+0) = √25 = 5.

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