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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of a sphere?
💡 Hint: What is the main characteristic of a sphere?
Question 2
Easy
What is the radius of a sphere?
💡 Hint: Think about how far a location on the surface is from the center.
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 fixed center point of any sphere called?
- Sphere
- Center
- Radius
💡 Hint: What do we call the middle point of a spherical object?
Question 2
The radius is defined as the distance from the center to any point on the sphere.
- True
- False
💡 Hint: Consider the meaning of radius in geometry.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a sphere with equation (x−1)² + (y+2)² + (z−3)² = 16, determine the center and radius.
💡 Hint: Identify h, k, l directly from the equation and solve for r.
Question 2
If a new sphere radius is triple the old radius, how many times greater is its volume?
💡 Hint: Reflect on how volume is calculated based on radius.
Challenge and get performance evaluation