Uploaded July 2026 | Updated September 2026, 2 weeks ago
Learn how to calculate and apply slope using trigonometry in this step-by-step lesson! We begin with an introduction to slope and how it can be determined mathematically. The video then explores the slope of parallel lines and demonstrates how slope can be used to check collinearity with a practical example. With clear explanations and worked-out problems, this lesson makes the concept of slope easy to understand and apply in geometry and trigonometry.
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!
khanacademy.org/math/mr-class-10/x5cfe2ca097f0f62c:co-ordinate-geometry?lang=en
Timestamps:
00:00 - Introduction to slope
00:54 - Calculating slope mathematically
04:21 - Slope of parallel lines
06:20 - Checking collinearity using slope
Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month.
Support Us: india.khanacademy.org/donate
Learn how to calculate and apply slope using trigonometry in this step-by-step lesson! We begin with an introduction to slope and how it can be determined mathematically. The video then explores the slope of parallel lines and demonstrates how slope can be used to check collinearity with a practical example. With clear explanations and worked-out problems, this lesson makes the concept of slope easy to understand and apply in geometry and trigonometry.
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!
khanacademy.org/math/mr-class-10/x5cfe2ca097f0f62c:co-ordinate-geometry?lang=en
Timestamps:
00:00 - Introduction to slope
00:54 - Calculating slope mathematically
04:21 - Slope of parallel lines
06:20 - Checking collinearity using slope
Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month.
Support Us: india.khanacademy.org/donate










