The ratio of the circumference of a circle and its diameter

Pi Day Trivia Flashcards

1

Pi Day is celebrated on _________.

2

When was the symbol for Pi first used?

3

How many known digits of Pi are there currently?

4

What is the world record of digits of Pi recited at one time?

5

What is Pi?

6

Archimedes calculated Pi first.

7

Who holds the world record for memorizing the most digits of Pi?

8

Why is Pi Day on March 14th?

9

Which of these are the first ten digits of Pi?

10

What fraction is often used to represent Pi?

11

What famous person’s birthday is on Pi Day?

12

Which is the formula for the area of a circle?

Pi Day Trivia