In which early civilizations were the earliest approximations of pi made?
Egypt and Babylon
100
Unlike x, which often represents a variable, the official term for a number like pi, along with many other numbers, such as e is this.
What is a mathematical constant.
100
The circumference of a circle with radius r is given by this formula
What is 2pir
100
This book told the story of a boy stuck on a boat with a tiger.
What is the life of pi
100
Comedian John Evans once quipped: “What do you get if you divide the circumference of a jack-o'-lantern by its diameter?
What is pumpkin pi!
200
Who was the first man to rigorously use algorithms to calculate the value of pi?
Archimedes
200
Pi is a ratio of a circle's circumference to its ____________.
What is its diameter.
200
4/3 pi r 3 gives the formula for this.
What is the volume of a sphere
200
Pi day is observed on this date each year
What is march 14
200
The traditional spice for this type of pie consists of sugar and cinnamon.
What is apple pie
300
China
In 480 AD Liu Hui, a mathematician from this country, calculated a value of pi that remained the most accurate approximation of π available for the next 800 years.
300
The letter used to represent pi comes from this alphabet.
What is the Greek alphabet.
300
This formula gives the area of a circle of radius r
What is pi r 2
300
In this famous author-astronomer's novel and movie "Contact" it is suggested that the creator of the universe buried a message deep within the digits of pi
Who is Carl Sagan
300
While most pies are sweet, a chicken pot pie would fall under this category.
What is savoury.
400
A Persian, Jamshid al-Kashi, and Austrian, Christoph Grienberger, both used polygons to calculate digits of pi, achieving the most accurate approximation manually achieved using polygonal algorithms. The two men shared this profession.
What are astronomers
400
What is the fraction used to approximate pi?
What is 22/7
400
What is the approximate circumference of a circle of radius 4?
What is 24.5
400
what is the sixth digit of pi?
What is 9
400
In the 1890's pie most commonly meant this, leading to a popular expression still in use today.
What is easy.
500
To this day the record for the largest number of digits of pi memorized as stated by Guinness World Records is this number.
67,890 digits
500
Pi is this type of number. That's crazy!
What is irrational
500
What is the approximate area of a circle of radius 10?
What is 314.
500
another expression for approximating pi is doing this to a circle
What is squaring
500
The first pies appeared in Egypt approximately this many years ago.