General Pi trivia
When is Pi day?
March 14
Which shape is pi involved with?
Circle
If a circle's radius is 15, what is the diameter?
30
Which fraction is the closest to pi?
22/ ?
7
What is the official snack of Pi day?
Pie!
What are the first 3 digits of pi?
3.14
What is the formula of the diameter of a circle?
2 x r
If the diameter of a circle is 18, what is the radius?
9
True or false. Pi has been known for almost 4000 years.
True
Why should you never start talking to pi at a party?
Because it just goes on forever!
True or false? Pi is rational.
False
What is the formula for the circumference of a circle?
2 x pi x r
If the radius of a circle is 2, what is the circumference?
4 pi
Which mathematician was the first to prove pi is an irrational number?
a. Euclid
b. Johann Lambert
c. Leonhard Euler
B. Johann Lambert
What do you get when you divide a jack-o-lantern by its diameter?
Pumpkin pi
What is pi?
The ratio of a circle's circumference over diameter.
What is the formula for the area of a circle?
pi x r x r
If a circle's diameter is 10, what is the area of the circle?
25 pi
Who discovered pi?
Archimedes
What did pi say when someone asked if it could explain what Pi Day was again?
I don't want to repeat myself.
Pi is named after a letter of which alphabet?
Greek
Name a field in which pi is used.
Answers may include:
athematics, physics, engineering, architecture, construction, manufacturing, space exploration, etc.
If a circle's circumference is 8 pi, what is the diameter?
8
How many digits of pi are calculated?
105 trillion
Why shouldn’t you eat too much pi?
You’ll end up with a big circumference.