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JEE Main - Three Dimensional Geometry Notes (Free PDF Download)

Last updated date: 12th Jul 2024
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Study Smart With JEE Main - Three Dimensional Geometry Notes and Important Topics

Get ready for your JEE Main exam by getting hold of important Three Dimensional Geometry Notes. Our expert teachers create these notes to make tough concepts easy, point out important stuff, and cover important topics. You can get them for FREE from our website. These notes give you all the important info you need in a simpler way, helping you study better. You'll understand the subjects well and be well-prepared for the exam when you go through these notes. Use these helpful resources to do great in JEE Main.


JEE Main Revision Notes


Text, Images, Videos and PDF


JEE Main

Chapter Name:

Three Dimensional Geometry

Academic Session:



English Medium



Available Material:

Chapter-wise Notes with PDF

The  Three Dimensional Geometry chapter covers the study of spatial relationships and geometric properties of points, lines, planes, and shapes in three-dimensional space, providing a mathematical framework to analyze and solve problems in three dimensions. This is one of the important chapters for JEE Main Exams, and you can expect a minimum of 2 to 3 questions from this chapter. Have a look at the number of questions asked from Three Dimensional Geometry chapter in the past five years of JEE Main exam.

Year Wise Weightage of Questions: JEE Main Three Dimensional Geometry

Sl. No.


Average No. Of Questions Asked

Marks per Question

Total Marks





















Take the chance to elevate your preparation with our Three Dimensional Geometry Notes. It covers the whole JEE Main Maths syllabus and you can download for FREE.

Competitive Exams after 12th Science

Top Concepts to Study in Three Dimensional Geometry for JEE Main 2025

Here you will look at the main topics you should go over in Three Dimensional Geometry. These crucial topics can truly improve your preparation. Good at them will give you a big advantage in the upcoming test. So, let's discuss the essential topics you need to consider for success in JEE Main 2025.

  • Coordinate Systems in 3D

  • Direction Cosines and Ratios

  • Equations of Lines and Planes

  • Angle between Two Lines and between a Line and a Plane

  • Distance from a Point to a Line and a Plane

  • Intersection of Lines and Planes

  • Angle between Two Planes

  • Projection and Reflection

  • Distance between Parallel Lines

  • Vector Representation

  • Applications in Physics and Engineering

  • Tetrahedron and Vectors

Maths Notes: Chapter-wise links 2025

Download JEE Main Maths Chapter-wise Notes - Free PDF from the table below:

How Three Dimensional Geometry Can Shape Your JEE Main 2025 Journey?

Embarking on your JEE Main 2025 journey, the "Three Dimensional Geometry" chapter emerges as a pivotal catalyst, moulding not just your exam success but also fostering analytical prowess and problem-solving finesse. This chapter wields the power to transcend its mathematical confines, shaping your understanding of spatial relationships and unlocking doors to multidimensional applications.

Three Dimensional Geometry is more than an academic endeavor; it is an exploration of spatial dimensions that transcends the borders of equations. It fosters logical thinking, analytical finesse, and a holistic understanding of geometric interplay. 

As you journey through this chapter, you unlock the door to an intricate world where mathematics and space converge, setting you on a path toward scientific excellence that extends beyond the realms of JEE Main 2025.

Here are some points that justifies it:

Visualizing the Unseen:

Three Dimensional Geometry equips you to visualize points, lines, planes, and shapes in 3D space, enriching your geometric intuition.

Engineering and Physics Nexus:

This chapter bridges mathematics with physics and engineering, enhancing your ability to comprehend spatial arrangements in these fields.

Spatial Insight:

Mastering the equations of lines and planes endows you with an intricate understanding of how objects intersect and behave in space.

Problem-solving Prowess:

Navigating the intricacies of distances, angles, and intersections sharpens your problem-solving acumen, honing your ability to dissect complex scenarios.

Real-world Applications:

The principles of Three Dimensional Geometry have profound implications in fields such as computer graphics, architecture, and physics, underscoring its real-world relevance.

Multidimensional Visualization:

Understanding projections, reflections, and vectors imparts a unique lens to analyze multidimensional scenarios, setting the stage for advanced studies.

Foundation for Vector Concepts:

This chapter lays a robust foundation for vector concepts, an indispensable tool in various scientific and engineering disciplines.

Enriching Analytical Skills:

Three Dimensional Geometry fosters analytical thinking, enabling you to deconstruct problems, synthesize solutions, and grasp spatial relationships.

Higher-order Mathematical Thinking:

Engaging with this chapter challenges you to think beyond 2D scenarios, cultivating higher-order mathematical thinking.

Intersection of Sciences:

The chapter's principles transcend exams, acting as a bridge between mathematical abstraction and real-world applications.

Professional Relevance:

Proficiency in Three Dimensional Geometry resonates in engineering, architecture, graphics, and disciplines demanding spatial insight.

Future Academic Endeavors:

Proficiency in this chapter forms a bedrock for advanced studies, preparing you for complex university-level concepts.

Formula-Memory Connection: Strengthening Knowledge with Revision Notes

Equations are more than just symbols –They're your secret code to solve problems in Maths. When you understand formulas, you can easily handle tricky ideas and feel more sure of yourself.  Use the equation with JEE Main Maths Revision notes to improve studying. Check out our JEE Main Maths formula pages and begin your journey to prepare for JEE Main now!

Explore Further: Supplementary Resources for JEE Main 2025 Three Dimensional Geometry

Looking to enhance your JEE Main 2025 Three Dimensional Geometry preparation? Explore these Important materials:

  • Practice Papers: Enhance your abilities through focused practice.

  • MockTests: Replicate exam scenarios for increased confidence.

  • Sample Papers: Get acquainted with question formats.

  • Previous Year Question Papers (PYQPs): Understand exam patterns.

Use these tools to improve comprehension and test-taking skills, boosting your JEE Main 2025 performance!

Access the supplementary resources for JEE Main 2025 here:

Prepare with Vedantu’s JEE Main Notes to Raise your Performance

In your journey to conquer JEE Main 2025, Three Dimensional Geometry Notes are your trusted guide. They simplify complex concepts, highlight key points, and provide practice, making your preparation effective. With Vedantu's JEE Main notes, you will understand better, solve problems confidently, and excel in inThe exam. Download the Three Dimensional Geometry Revision Notes for FREE to sharpen your skills and triumph in JEE Main 2025.

FAQs on JEE Main - Three Dimensional Geometry Notes (Free PDF Download)

1. What are the Three Dimensional Geometry in the context of JEE Main 2025?

In the context of JEE Main 2025, Three Dimensional Geometry refers to the mathematical study of spatial relationships and geometric properties of points, lines, planes, and shapes in three-dimensional space. It involves understanding and analyzing their interactions, distances, angles, and intersections using coordinates and equations.

2. How can I apply the Three Dimensional Geometry To solve JEE Main problems?

To apply Three Dimensional Geometry to solve JEE Main problems:

  • Visualize the given scenario in three-dimensional space.

  • Translate the information into equations for lines, planes, distances, or angles.

  • Use algebraic techniques to solve for unknown variables.

  • Interpret the results to answer the problem's questions.

3. What are some strategies to effectively use Three Dimensional Geometry notes for JEE Main 2025 preparation?

  • Understand the fundamentals of coordinate systems, equations of lines and planes, angles, distances, and intersections.

  • Practice sketching 3D figures to develop spatial visualization.

  • Work through diverse problems to strengthen problem-solving skills.

  • Focus on application-based problems to connect theory with real-world scenarios.

  • Create a summary sheet with key formulas and concepts.

4. Which are the important topics of Three Dimensional Geometry Notes for JEE Main 2025?

Important topics in JEE Main 2025 Three Dimensional Geometry Notes include:

  • Equations of lines and planes in 3D space.

  • Distance between points, lines, and planes.

  • Angle between lines, planes, and line-plane interactions.

  • Intersection of lines and planes.

  • Vectors and their applications in 3D space.

5. Which is the easiest Topic of JEE Main 2025 Three Dimensional Geometry Notes?

The easiest topic in JEE Main 2025 Three Dimensional Geometry Notes can vary based on individual understanding. However, many students find calculating distances between points and lines relatively straightforward.

6. Where can I find additional resources to supplement JEE Main 2025 Three Dimensional Geometry Notes?

You can find additional resources to supplement your JEE Main 2025 Three Dimensional Geometry Notes in:

  • Reference books and textbooks.

  • Online video tutorials and practice problem sets.

  • Mock tests and question banks.

7. What is the weightage of Three Dimensional Geometry Notes for JEE Main 2025?

The weightage of Three Dimensional Geometry Notes in JEE Main 2025 is typically around 5-8% of the overall mathematics section, making it a significant but manageable part of the exam.

8. How muchTime is required to prepared for JEE Main 2025 Three Dimensional Geometry Notes?

The time required to prepare for JEE Main 2025 Three Dimensional Geometry Notes depends on your current understanding of the topic and your study pace. Dedicate sufficient time to understand each concept thoroughly and practice solving problems.