## CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes

Revision is very important for better conceptual understanding and securing good marks, and for Revision, Revision Notes are always considered the best. Revision Notes can be very beneficial for students to revise all their previously prepared chapters and concepts, especially during the examination times when they have to revise the whole syllabus in a limited time period.

We, at Swiflearn, provides you the best CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes. Free CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes provided here are prepared by Subject Matter Experts at Swiflearn who have a lot of experience in teaching. CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes are one of the most important pieces of study material that students can use as it will aid them to study better and reduce the level of stress that they face during the hectic year.

CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes by Swiflearn are so far the best and most reliable Revision Notes for CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes. These CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes will surely make your learning exciting & convenient. Students can download CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes in PDF format, use them to revise all their previously learned concepts, and hence score better in their exams.

## What is Surface area?

The surface area of a solid object is a measure of the total area that the surface of the object occupies.

## What is Volume?

Volume is the quantity of three-dimensional space enclosed by a closed surface.

### Different Types of 3-D figures

**Cuboid:**

Cuboid is a solid bounded by six faces that are rectangular in shape, having 6 faces, 8 vertices, and 12 edges.

- Lateral Surface area: 2h(l + b)
- Total Surface area: 2(lb + bh + lh)
- Volume: lbh

**Cube:**

Cuboid whose length, breadth and height are equal is called a cube.

- Lateral Surface area: 4a
^{2} - Total Surface area: 6a
^{3} - Volume: a
^{3}

### CBSE Class 9 Maths Chapter 13 Surface Areas and Volumes Revision Notes PDF