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Pi Riddles
Do the Math
Pi Facts
Pi Formulas
Pi Puns
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 or 10pi 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
This is the cutest pi there is
What is a "Cutie Pi-e"
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 or 8pi cm.

200

This is the set of real numbers that cannot be expressed as a fraction of two integers

What is are the irrational numbers

200

This is the formula for finding the area of a circle

What is radius time radius times pi, or pi times radius squared

200
This is what you get when you divide a Jack-o-Lantern by its diameter.
What is Pumpkin Pi-e
300

This is a mathematician's favorite dessert.

What is Pi-e ala Mode!

300

This is the radius of a circle(in terms of pi) with a circumference of 16pi meters.

What is 8 meters.

300

The symbol we use for pi, is a letter in what alphabet?

What is the Greek alphabet?

300
Given the circumference, this is the formula to find the diameter
What is circumference divided by pi
300

This may be an astronaut's favorite dessert

What is Moon Pi-e

400
This is what a mathematician does with her papers
What is a pi-le papers
400

This is the area of a circle, in terms of pi, with a diameter of 10 inches

What is 25pi square inches

400

He is credited with determining a remarkably accurate approximation of pi in earliest times

Who is Archimedes of Syracuse

400
Given the circumference, this is the formula to find the radius
What is circumference divided by pi divided by two
400
This is what you get when you take the sun and divide it by its diameter
What is Pi-e in the Sky
500
This is what the mathematician put into her gourmet cookies.
What is s -pi-ces
500

This is the circumference of a circle, that has an area of 25pi sq. centimeters. 

What is 10pi square centimeters

500
This the connection between Albert Einstein and Pi Day
What is a birthday on March 14
500
Given the area of a circle, this is the formula to find the radius
What is the square root of the area divided by pi
500

A mathematician's favorite Mollusca (Mollusk).

What is octo-pi