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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the surface area formula for a sphere?
💡 Hint: Think of it like painting a round ball.
Question 2
Easy
What is the volume of a hemisphere with a radius of 2 cm?
💡 Hint: Remember to halve the sphere's volume.
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 of a sphere with a radius of 3 cm?
- 12π cm²
- 36π cm²
- 9π cm²
- 24π cm²
💡 Hint: Make sure to square the radius before multiplying by 4π.
Question 2
Is the formula for volume of a hemisphere half that of a sphere?
- True
- False
💡 Hint: Think about the spatial dimensions; a hemisphere is simply half the sphere.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A chocolate cake is shaped like a hemisphere with a radius of 8 cm. Calculate the volume and total surface area including the base.
💡 Hint: Remember to use the volume formula for a hemisphere, then include the base for total surface area.
Question 2
A soccer ball has a diameter of 22 cm. Find its volume and surface area.
💡 Hint: Convert diameter to radius by dividing by 2 first, and then apply the formulas.
Challenge and get performance evaluation