CBSE 8 Mathematics | 9. Mensuration by Pavan | Learn Smarter with Allrounder.ai
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9. Mensuration

This chapter explores the concepts of mensuration, focusing on calculating the area and perimeter of various plane figures, including polygons and quadrilaterals. It also covers the surface area and volume of solid shapes such as cubes, cuboids, and cylinders, emphasizing practical applications through examples and exercises.

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Sections

  • 9

    Mensuration

    This section covers the concepts of mensuration, including the area and perimeter of various polygons, and the surface area and volume of solid shapes.

    Learning Practice

  • 9.1

    Introduction

    This section introduces the concepts of perimeter and area, as well as surface area and volume for various geometric shapes.

    Learning Practice

  • 9.2

    Area Of A Polygon

    This section covers methods to calculate the area of various polygons through decomposition into simpler shapes like triangles and trapeziums.

    Learning Practice

  • 9.3

    Solid Shapes

    This section introduces solid shapes, highlighting the differences between cuboidal, cubic, and cylindrical forms and their corresponding properties.

    Learning Practice

  • 9.4

    Surface Area Of Cube, Cuboid And Cylinder

    This section covers the determination of surface areas for cubes, cuboids, and cylinders, detailing the formulas and concepts necessary for computation.

    Learning Practice

  • 9.4.1

    Cuboid

    This section discusses the surface area of a cuboid, including its calculation and key properties.

    Learning Practice

  • 9.4.2

    Cube

    This section discusses the properties and calculations related to the surface area of a cube.

    Learning Practice

  • 9.4.3

    Cylinders

    This section focuses on the surface area of cylinders, exploring definitions, mathematical formulations, and practical applications.

    Learning Practice

  • 9.5

    Volume Of Cube, Cuboid And Cylinder

    This section explores the concept of volume as the amount of space occupied by three-dimensional objects, focusing on cubes, cuboids, and cylinders.

    Learning Practice

  • 9.5.1

    Cuboid

    This section explores how to calculate the volume of a cuboid by using the formula volume = length × breadth × height.

    Learning Practice

  • 9.5.2

    Cube

    This section presents the definition and volume formula of a cube, explaining its significance as a special type of cuboid.

    Learning Practice

  • 9.5.3

    Cylinder

    The section explains how to calculate the volume of a cylinder using its base area and height.

    Learning Practice

  • 9.6

    Volume And Capacity

    This section explores the concepts of volume and capacity, highlighting their definitions and the relationship between them.

    Learning Practice

References

NCERT Study Material

Class Notes

Memorization

What we have learnt

  • The area of a polygon can b...
  • The surface area of three-d...
  • Volume measures the space o...

Final Test

Revision Tests

Chapter FAQs