Calculate
Find the circumference of a circle with a diameter of ten inches
31.4 inches
What is the line that passes through the center and meets the circumference at opposite ends?
Diameter
Who's birthday is it today?
Albert Einstein
What are the two formulas to finding the circumference of a circle?
2(pi)r
pi(d)
Find the circumference of a circle with a radius of four centimeters
25.12 centimeters
What is the difference between a diameter and a radius?
A circle's radius is half the length of its diameter
July 22nd
What do you call a mathematician that takes over a ship?
Pi-rate
Find the diameter of a circle with a circumference of 28.26 ft
9 ft
What is a number that cannot be expressed as a fraction of two integers?
Irrational number
According to the first 5 digits of pi, what time exactly is best to celebrate pi day?
1:59
What do you call a mathematician that flies a plane?
Pi-lot
Find the area of a circle with a diameter of four inches
12.56 square inches
Give an example of a never-ending number that isn't pi.
A repeating decimal
What are the first two ancient countries in which the value of pi was first used to calculate the area of a circle?
Babylon and Egypt
What is the volume of a cylinder?
pi.r^2(h)
Find is the area of a circle with a radius of five centimeters
78.5 square centimeters
How do we calculate the area of a semi-circle?
(pi.r^2)/2
Which mathematicians discovered pi?
The Greek
How do we use pi in our everyday lives?
Building and construction, communications, medical procedures, air travel, space flight, and clock designers