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Circles Quiz

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Questions and Answers

What is the formula to calculate the circumference of a circle?

π * (radius)^2

π * diameter

2 * radius

2 * π * radius (correct)

What is the relationship between the diameter and the radius of a circle?

The diameter is the same as the length of the radius

The diameter is twice the length of the radius (correct)

The diameter is half the length of the radius

The diameter is π times the length of the radius

What is the area of a circle if the radius is 5 units?

50 square units

10π square units

25π square units (correct)

25 square units

Circles Quiz

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Questions and Answers

What is the formula to calculate the circumference of a circle?

What is the relationship between the diameter and the radius of a circle?

What is the area of a circle if the radius is 5 units?

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