What is Pi?
A famous painter
The name of a river
A kind of dessert
The ratio of a circle's circumference to its diameter
Who is known for calculating the circumference of the Earth using Pi?
Eratosthenes
Isaac Newton
Albert Einstein
Galileo Galilei
Pi Day is celebrated on which date?
December 25th
March 14th
April 14th
February 14th
Pi is used in which subject?
History
Mathematics
Literature
Art
What is the approximate value of Pi?
4.22
3.14
3.5
2.18
How many digits of Pi are there?
Only 10
1,000,000
Infinite
Exactly 100
Which shape is most closely associated with Pi?
Circle
Triangle
Square
Rectangle
Which number is closest to the value of Pi?
314/100
22/7
3/14
7/22
The first three digits of Pi are...
3.14
3.41
3.15
3.12
Which symbol is used to represent Pi?
π
Ω
π
α
Pi is an irrational number.
Maybe
False
True
Sometimes
Which of the following is NOT a use of Pi?
Designing wheels
Calculating areas of circles
Predicting the weather
Building bridges
On Pi Day, what do some people try to do with the digits of Pi?
Paint them
Forget them
Write them backwards
Memorize as many as possible
Pi can be correctly written as a fraction.
False
Sometimes
True
Only on Tuesdays
What activity is commonly associated with celebrating Pi Day?
Eating pie
Flying Pi Kites
Running a marathon
Swimming
What is special about Pi in mathematics?
It's the same in every language
It measures how many diameters fit around a circle
It changes every year
It has a fixed number of digits