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Pi Riddles
Do the Math
Pi Facts
Pi Formulas
Trig!
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
Pi is the ratio of a circle's circumference to this measurement.
What is the diiameter
100
This is the formula to find the circumference of a circle
What is Pi times the diameter
100

What is 10cos(pi/4)? Round to the nearest whole number.

7

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 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

What is the sin(30) in radians? Round to the nearest two decimal places. 

-0.99

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
Pi got its name from the Greek word for this
What is perimeter
300
Given the circumference, this is the formula to find the diameter
What is circumference divided by pi
300

Evaluate the trig function: sec7pi/4

square root of 2

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
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

Provide a negative and positive coterminal angle for 11pi/6 radians.

23pi/6 and -pi/6

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
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

If the hypotenuse of a triangle is 16 ft and one of the side lengths is 8rad3 ft, what is the measure of the angle (in radians) across from the 8rad3 ft side?

pi/3