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Mensuration and Spatial Measurement · Term 2

Surface Area of Cones

Deriving and applying formulas for the curved and total surface areas of cones.

Key Questions

  1. Explain the concept of slant height and its role in calculating the surface area of a cone.
  2. Compare the curved surface area of a cone to that of a cylinder with similar dimensions.
  3. Construct a net of a cone to visualize its surface area components.

CBSE Learning Outcomes

CBSE: Surface Areas and Volumes - Class 9
Class: Class 9
Subject: Mathematics
Unit: Mensuration and Spatial Measurement
Period: Term 2

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