Pi Riddles
Do the Math
Pi Facts
Pi Formulas
Digits of Pi
100
This is what you call a mathematician that takes over a ship.
What is a pi-rate
100
This is the circumference of a circle with a diameter of ten inches to the nearest tenth.
What is 31.4 inches
100
Pi is the ratio of a circle's circumference to this measurement.
What is the diameter.
100
This is the formula to find the circumference of a circle
What is Pi times the diameter
100
There is this many digits of pi
What is infinite
200
This is what a mathematician needs to fly his plane.
What is a pi-lot's license
200
This is the circumference of a circle with a radius of four centimeters to the nearest hundredth.
What is 25.13 centimeters
200
This is a number that cannot be expressed as a fraction of two integers
What is an irrational number
200
This is the formula for finding the area of a circle
What is radius time radius times pi
200
The first 6 digits of pi
What is 3.14159
300
This is the cutest pi there is
What is a cutie-pi
300
This is the diameter of a circle with a circumference of 28.26 ft to the nearest whole number.
What is 9 ft.
300
Pi is a letter in this alphabet
What is Greek
300
Volume formula for a cylinder
What is pi times r^2 times height
300
Number of digits without a zero
What are first 31 digits
400
This is what you get when you divide a Jack-o-Lantern by its diameter.
What is Pumpkin Pi-e
400
This is the area of a circle with a diameter of four inches to the nearest hundredth.
What is 12.56 in^2
400
He is credited with determining a remarkably accurate approximation of pi in earliest times
What is Archimedes of Syracuse
400
Volume formula for a cone
What is (1/3) pi times r^2 times height
400
At this position there are six nines in a row
What is 763
500
This is what the mathematician put into her gourmet cookies.
What is s-pi-ces
500
This is the area of a circle with a radius of five centimeters to the nearest tenth.
What is 78.5cm^2
500
This persons birthday is on Pi day
What is Albert Einstein
500
Volume formula for a sphere
What is (4/3) pi times r^3
500
The amount of hours it took Yasumasa Kanada to compute 6,442,450,000 decimal places of Pi on a computer
What is 116 hours
M
e
n
u