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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the surface area of a sphere with a radius of 2 cm?
💡 Hint: Use the formula 4πr².
Question 2
Easy
What is the volume of a sphere with a radius of 1 cm?
💡 Hint: Use (4/3)πr³.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the surface area formula of a sphere?
- 4πr
- 4πr²
- (4/3)πr³
💡 Hint: Think about the area covering the sphere.
Question 2
The volume of a sphere is represented by which formula?
- (3/4)πr²
- (4/3)πr²
- (4/3)πr³
💡 Hint: Consider what encompasses the sphere.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A spherical tank has a radius of 15 m. What is the total surface area of the tank?
💡 Hint: Use the surface area formula.
Question 2
If a balloon filled with helium has a radius of 7 cm, how much volume does it hold?
💡 Hint: Apply the volume formula meticulously.
Challenge and get performance evaluation