Uploaded July 2026 | Updated September 2026, 2 weeks ago
Learn how to calculate the length of an arc in a circle with this clear and structured lesson! We begin with an introduction to the concept of arc length. The video then walks through the derivation of the formula for finding the length of an arc, explained step by step for easy understanding.
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!
khanacademy.org/math/mr-class-10/x5cfe2ca097f0f62c:surface-area-and-volume?lang=en
Timestamps:
00:00 - Introduction to length of an arc
01:40 - Deriving formula for finding length of an arc in a circle
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 the length of an arc in a circle with this clear and structured lesson! We begin with an introduction to the concept of arc length. The video then walks through the derivation of the formula for finding the length of an arc, explained step by step for easy understanding.
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!
khanacademy.org/math/mr-class-10/x5cfe2ca097f0f62c:surface-area-and-volume?lang=en
Timestamps:
00:00 - Introduction to length of an arc
01:40 - Deriving formula for finding length of an arc in a circle
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
