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Pi Riddles
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More Pi Facts
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.
What is 31.4 inches
100

This is the formula to find the circumference of a circle (There are 2 correct answers for this)

What is C=Pi*d or C=Pi*2r

100

Pi is the ratio of a circle's circumference to this measurement.

What is the diiameter

100

Pi Day is celebrated on March 14. This is the official time the celebration begins.

What is 1:59 p.m.?

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
What is 25.12 centimeters
200

This is the formula for finding the area of a circle

What is A=Pi*r^2

200

This is the type of number that pi is

What is an irrational number

200

This is the most common fractional equivalent to pi.

What is 22/7


300
This is a mathematician's favorite dessert.
What is Pi-napple Pi-e
300
This is the diameter of a circle with a circumference of 28.26 ft.
What is 9 ft.
300

Given the circumference, this is the formula to find the diameter

What is d=C/Pi

300

Pi got its name from the Greek word for this

What is perimeter

300

The world record holder for reciting the most digits of, recited 44,000 digits in this amount of time.

What is 9 hours?

400
This is what a mathematician does with her papers
What is a pi-le papers
400
This is the area of a circle with a diameter of four inches
What is 12.56 square inches
400

Given the circumference, this is the formula to find the radius

What is r=C/(2pi)

400
He is credited with determining a remarkably accurate approximation of pi in earliest times
Who is Archimedes of Syracuse
400

The symbol for pi has been used regularly in its mathematical sense only for the past how many years?

What is 250 years?

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
What is 78.5 square centimeters
500

Given the area of a circle, this is the formula to find the radius

What is r=sqrt(A/Pi)

500
This the connection between Albert Einstein and Pi Day
What is a birthday on March 14
500

The first million decimal places of pi consists of how many zeros?

What is 99,959