Pi Meanings
Pi Day
Pi Formulas
100

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

The Definition of Pi 

100

What is March 14? (3.14)

Pi Day is celebrated on this date

100

What is A=(Pi)(Rsquared)

The formula for area of a circle

200

What is 3.14? 

An approximate value of pi, correct two decimal places.

200

Who is Albert Einstein?

This famous mathematicaisn birthday is on the same date as Pi day.

200

What is C=2(Pi)R    OR   C=(Pi)D

The formula for circumference of a circle

300

What is 22/7?

An approximate value of pi, in factional form

300

What is 1:59?

The best time of day to celebrate pi day according to the third, fourth, and fifth digts following the decimal

300

What is a Pi-rate? 

A mathematician that takes over a ship.

400

What is greek? 

Pi is a letter from the alphabet of this language?

400

What is the 22nd of July? (22/7)

A date during the summer which would be another good time for Pi day

400

What is the 10th digit of Pi?

Here are the digits of pi: 3.14159265359

500

What is 16th?

Pi is the ___ letter of the alphabet. (1st, 2nd, 3rd, etc.)

500

What is november 10?

Another date to celbrate Pi Day - the 314th day of the year

500

Is pi an irrational or rational number?

Yes, it is

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