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Questions and Answers
What is the formula to find the circumference of a circle?
What is the formula to find the circumference of a circle?
- π * radius^2
- 2 * π * radius (correct)
- 2 * π * diameter
- π * diameter
If the radius of a circle is doubled, how does the circumference change?
If the radius of a circle is doubled, how does the circumference change?
- It increases by π
- It quadruples
- It doubles (correct)
- It remains the same
What is the relationship between the circumference and the diameter of a circle?
What is the relationship between the circumference and the diameter of a circle?
- Circumference = π / diameter
- Circumference = 2 * π * diameter (correct)
- Circumference = π * diameter
- Circumference = 2 * diameter
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