Practice Surface Area of a Right Circular Cone - 11.1 | 11. Surface Areas And Volumes | CBSE 9 Mathematics
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Surface Area of a Right Circular Cone

11.1 - Surface Area of a Right Circular Cone

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Find the curved surface area of a cone with radius 3 cm and slant height 4 cm.

💡 Hint: Use the CSA formula!

Question 2 Easy

Calculate the total surface area of a cone with radius 2 cm and slant height 5 cm.

💡 Hint: Remember to add the base area!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for the curved surface area of a cone?

πr²
πrl
πrh

💡 Hint: Remember the specific section on surface area formulas!

Question 2

True or False: The total surface area of a cone includes only the curved surface.

True
False

💡 Hint: Think about what TSA represents!

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A right circular cone is inscribed in a cylinder where the cone has a height of 15 cm and base radius of 10 cm. Calculate the volume of the cone.

💡 Hint: Don’t forget the 1/3 factor for the cone volume!

Challenge 2 Hard

Two cones have the same height of 12 cm. One has a base radius of 4 cm and the other has a base radius of 6 cm. Find the ratio of their volumes.

💡 Hint: Use the volume formula and simplify the ratio!

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