Pi Day

What does Pi represent in the context of a circle?

• The ratio of a circle's diameter to its circumference

• The ratio of a circle's circumference to its diameter

• The area of the circle

• The diameter of the circle

If a pizza has a diameter of 14 inches, what is approximately its circumference?

• 44 inches

• 22 inches

• 88 inches

• 28 inches

How can Pi be used to find the circumference of a circle?

• Divide the diameter by Pi

• Divide the circumference by Pi

• Multiply Pi by the radius

• Multiply Pi by the diameter

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

• Pi D squared

• 2 Pi R

• R squared / Pi

• Pi R squared

Which has more area, one 18 inch pizza or two 12 inch pizzas?

• One 18 inch pizza

• Two 12 inch pizzas

• Both have the same area

• Cannot be determined

How many digits of Pi are commonly used in most calculations?

• 2

• 5

• 10

• 3

What is the purpose of memorizing the digits of Pi?

• For fun and to challenge oneself

• To accurately measure circles without any tools

• To improve mathematical calculations

• It is required for all mathematical operations

Who worked on getting a better estimate of Pi around 200 BC?

• Archimedes

• Leonhard Euler

• Isaac Newton

• The Babylonians

What historical figure is credited with making the symbol Pi popular?

• Archimedes

• Leonhard Euler

• The Babylonians

• Isaac Newton

On what date is Pi Day celebrated?

• January 31

• July 22

• April 15

• March 14