Uploaded July 2026 | Updated September 2026, 2 weeks ago

---

In this video, we will explore the concept of Rectangles and learn about their important properties. We will understand how to identify a rectangle, study the relationships between its sides, angles, and diagonals, and solve examples to apply these concepts. This lesson is perfect for building a strong foundation in geometry and improving problem-solving skills.

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!

khanacademy.org/math/class-8-ncf/x7eef1bd24a76901b:quadrilaterals?lang=en

00:00 Introduction to Rectangles
00:48 Identifying a Rectangle
01:35 Properties of a Rectangle
02:40 Opposite Sides and Angles
03:55 Diagonals of a Rectangle
05:10 Special Features of Rectangles
06:25 Solved Examples
07:35 Applying Rectangle Properties
08:30 Practice Questions

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