11 - SURF ACE AREAS AND VOLUMES
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Practice Questions
Test your understanding with targeted questions
Find the curved surface area of a cone with a radius of 4 cm and a slant height of 5 cm.
💡 Hint: Use the formula πrl.
Calculate the surface area of a sphere with a radius of 3 cm.
💡 Hint: Remember the formula 4πr².
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for the curved surface area of a cone?
💡 Hint: Think about how this relates to the radius and the slant height.
True or False: The volume of a sphere is equal to (4/3)πr².
💡 Hint: Remember what each formula represents!
1 more question available
Challenge Problems
Push your limits with advanced challenges
A cylindrical tank has a radius of 5 m and height of 10 m. How many hemispherical domes with a radius of 2 m can fit on top of the tank?
💡 Hint: Use V = πr²h for the cylinder and (2/3)πr³ for the hemisphere.
If the volume of a conical tent is 1,200 m³ and its radius is 15 m, what is the height of the tent?
💡 Hint: Rearranging the formula will lead you to find the height.
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