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📐 Mathematics - Class 10
Lesson 5 · Cost Estimation

Surface Area of Cone

MathematicsSubject
8 minEstimated read
Activity 6

An ice cream cone and a birthday cap

Method
  • Look at an ice cream cone and a birthday cap and compare their shapes.
  • Cut the birthday cap with scissors from its tip down to its rim.
  • Spread the cut cap on the table and see which shape it has changed into.
Discussion
  • Do they have the same shape? What is the shape of these solid objects?
  • Which shape did the cap change into when it was spread out?
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