Class 11 Maths · Chapter 11 · CBSE / NCERT
Introduction to Three Dimensional Geometry
Points in space. You’ll learn the x, y and z axes, the eight octants, a point’s coordinates, and the distance between two points in 3-D.
13 short lessons · about 56 minutes in all
What you’ll learn
- 1Why a point in space needs three numbers3 min
- 2The three axes and the origin4 min
- 3The three coordinate planes4 min
- 4The eight octants3 min
- 5Reading the three numbers of a point4 min
- 6Points on axes and planes4 min
- 7Which octant? Read the signs4 min
- 8Distance of a point from the origin5 min
- 9Distance between two points5 min
- 10Checking if three points lie on one line5 min
- 11Naming a shape from its distances5 min
- 12Equation of the points equally far from two points5 min
- 13Centroid and the fourth corner5 min
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Why a point in space needs three numbers · about 3 minutes
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More Class 11 Maths
The other 13 chapters.
CH 1Sets14 lessonsCH 2Relations and Functions14 lessonsCH 3Trigonometric Functions14 lessonsCH 4Complex Numbers and Quadratic Equations13 lessonsCH 5Linear Inequalities13 lessonsCH 6Permutations and Combinations14 lessonsCH 7Binomial Theorem13 lessonsCH 8Sequences and Series14 lessonsCH 9Straight Lines14 lessonsCH 10Conic Sections14 lessonsCH 12Limits and Derivatives14 lessonsCH 13Statistics14 lessonsCH 14Probability13 lessons
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