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Introduction to Three Dimensional Geometry — Maths STD 11 Science — Question

CBSE BoardEnglish MediumSTD 11 ScienceMathsIntroduction to Three Dimensional Geometry1 Mark
MCQ
A point at which all the three perpendicular coordinate axes meets is known as:
  • A
    Meeting point
  • ✓
    Origin
  • C
    Triple point
  • D
    None of these
✓

Answer

Correct option: B.
Origin
The three perpendicular coordinate axes meets at one of the point which divides the plane into eight quadrant.
The $1^{st}$ quadrant has all positive points, $2^{nd}$ has $x-ve$ and remaining $2\ +ve$ points and so on.
Only $(0, 0, 0)$ is not included in any quadrant and is the intersection point.
Thus, the three axes meet at $(0, 0,0)$ from where the eight quadrants originate.
Hence, the point is known as origin.

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