Pi Day Questions

When is Pi Day usually celebrated?

• March 15

• April 1

• February 14

• March 14

What is the approximate value of pi (π)?

• 3.14

• 2.71

• 1.62

• 4.68

Which Greek letter represents pi?

• Φ

• Ψ

• Π

• Ξ

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

• Circumference = Diameter^2

• Circumference = 2 * Diameter

• Circumference = Diameter / 2

• Circumference = 3 * Diameter

Who is known for being one of the first people to calculate the value of pi?

• Isaac Newton

• Albert Einstein

• Archimedes

• Galileo Galilei

What is the ratio of the circumference of a circle to its diameter?

• 2

• 3.14

• 4

• 1

Which formula is used to calculate the circumference of a circle?

• πr^2

• 2πr

Which of the following is NOT a homophone of "pi"?

• Pie

• Pye

• Peye

• Pai

What is the term for the digits of pi that never end or repeat?

• Finite

• Irrational

• Rational

• Integer

How is the symbol for pi (π) often used in geometry?

• To represent a square

• To represent a circle

• To represent a triangle

• To represent a line