Introduction to Three Dimensional Geometry
Nagaland Board · Class 11 · Mathematics
Most important questions from Introduction to Three Dimensional Geometry for Nagaland Board Class 11 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
The distance formula between two points P(x1, y1, z1) and Q(x2, y2, z2) is:
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√[(x2-x1)² + (y2-y1)² + (z2-z1)²]
This formula calculates the Euclidean distance between two points in three-dimensional space by using the Pythagorean theorem.
In which octant are coordinates (-, -, +) located?
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Octant V
In Octant V, x and y coordinates are positive, while z coordinate is negative.
What is the coordinate of a point on the YZ-plane?
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(0, y, z)
Points on the YZ-plane have an x-coordinate of zero, with varying y and z coordinates.
The line Z'OZ represents:
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Z-axis
Z'OZ is the vertical line representing the z-axis in a three-dimensional coordinate system.
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