CBSE 9 Mathematics | 11. Surface Areas And Volumes by Akhil | Learn Smarter
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11. Surface Areas And Volumes

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Sections

  • 11

    Surf Ace Areas And Volumes

    This section explores the surface areas and volumes of various three-dimensional shapes including cones, spheres, and hemispheres.

  • 11.1

    Surface Area Of A Right Circular Cone

    This section discusses the surface area of right circular cones, detailing the curved surface area, total surface area, and methods for calculating these areas using formulas.

  • 11.2

    Surface Area Of A Sphere

    This section introduces the concept of the sphere and its surface area, defining how it's calculated and its relationship to the area of a circle.

  • 11.3

    Volume Of A Right Circular Cone

    This section discusses the volume of a right circular cone, establishing its relation to a cylinder and providing a formula for calculation.

  • 11.4

    Volume Of A Sphere

    This section explains how to determine the volume of a sphere and introduces related calculations such as the volume of a hemisphere.

  • 11.5

    Summary

    This section summarizes the key formulas and concepts related to the surface areas and volumes of cones, spheres, and hemispheres.

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