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📐 Mathematics  ·  Introduction to Three Dimensional Geometry  ·  JEE

The centroid of the triangle with vertices (1, 2, 3), (2, 3, 4) and (3, 4, 5) is:

Answer: (2, 3, 4).

  • A (2, 3, 4)
  • B (3, 4, 5)
  • C (1, 2, 3)
  • D (6, 9, 12)

Correct answer: A. (2, 3, 4)

Explanation: Averaging the three vertices gives (2, 3, 4).

zxyOP(x, y, z)first octant:x>0, y>0, z>0

Concept context

Coordinate axes and planes in space, octants, distance between two points, and the section formula

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