Show:
Pi Meanings
Pi Day
Pi Formulas/Pi
Calculus
Pi Trivia
100
The definition of pi
What is the ratio of a circle’s circumference to its diameter?
100

In which year was the first official celebration of Pi Day held?

What is 1988 ?

100
The formula for area of a circle
What is A=πr^2?
100
Derivative of y=(pi)x ?

pi

100
The value of pi fits into this classification of numbers.
What is irrational?
200
An approximate value of pi, correct to two decimal places
What is 3.14 ?
200
This famous mathematician’s birthday is on the same date as Pi Day.
Who is Albert Einstein?
200
The formula for circumference of a circle
What is C = 2πr or C = πd?
200

Derivative of (2(x^3)+5)^12

12((2(x^3)+5)^11)(6x^2)

200

When is 2pi day celebrated?

What is June 28 (6/28)?

300
An approximate value of pi, in fractional form
What is 22/7?
300
The best time of day to celebrate Pi Day, according to the third, fourth, and fifth digits following the decimal
What is 1:59?
300
The formula for volume of a cylinder
What is V = πr^2h ?
300
Calculus was invented by ...

Isaac Newton

300
The U.S. state in which a bill was introduced to legislate the value of pi
What is Indiana?
400
∏ is a letter from the alphabet of this language
What is Greek ?
400

Which digit is completely missing from the first 30 places of Pi's decimal expansion?

What is 0 ?

400

First 10 digits of pi?

3.141592653

400

Derivative of e^x

e^x

400
The number of centuries for which the letter pi has been used to represent this special mathematical ratio
What is 3? (This use of the letter pi first showed up in mathematical writings in about 1706.)
500
∏ is the ____ letter of the alphabet. (1st, 2nd, 3rd, etc.)
What is 16th?
500
Another date to celebrate Pi Day—the 314th day of the year
What is November 10 (or November 9 in leap years)?
500

Take the formula for the area of a circle 

A = pir^2

and solve it for r.  

r=sqrt(A/pi)

500

Derivative of ln(3x+10)

3/3x+10

500
One of two ancient countries in which a value for pi was probably first used to calculate the area of a circle
What is Babylon or Egypt? (probably as early as 2000 or 3000 BC)