Pi Day

Who was the first person to calculate pi?

• Archimedes

• Pythagoras

• Euclid

• Einstein

What is the seventh digit of pi?

• 3

• 2

• 1

• 7

What is pi a ratio of?

• A circle's area to its circumference

• A square's area to its side length

• A circle's radius to its circumference

• A circle's circumference to its diameter

Pi is a letter in which alphabet?

• Greek

• Roman

• Hebrew

• English

What famous mathematician was born on Pi Day?

• Albert Einstein

• Leonhard Euler

• Archimedes

• Isaac Newton

When was the first Pi Day?

• 1988

• 1936

• 1975

• 1898

Which mathematician normalized the use of the Greek letter π as the notation for pi?

• Fibonacci

• Euler

• Archimedes

• Euclid

How many digits of pi are needed to perform all calculations in our observable universe with virtually no error?

• 1000

• 31 trillion

• 39

• 158

When was Pi Day recognized as International Mathematics Day?

• 2017

• 2018

• 2019

• 2020

What is the thirty-fifth digit of pi?

• 0

• 2

• 5

• 8