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Definitions
Problem Solving
History
Trick Questions
Pie-A-La-Mode
100
What is the diameter?
The length of a straight line passing through the center of a circle and connecting two points on the circumference.
100
What is the radius of a circle with a diameter or 4.5m?
r=2.25m
100
Name two early civilizations who used a close estimate for pi.
Egyptians and Babylonians
100
How many formulas are there to find the area of a circle?
one: a=πr²
100
What is Americas favorite Pie?
Apple Pie
200
What is the radius
The distance from the center of the circle to any point on the circle
200
What is the circumference of a circle with a diameter of 4cm? (use 3.14 as pi) c=πd
c=12.56cm
200
Who is first credited with discovering the calculations of pi?
Archimedes
200
Is the diameter equal to twice the radius?
yes
200
What is the official pie of Florida?
key lime
300
What is an irrational number?
A number that never ends and never repeats
300
What is the area of a circle with a radius of 6? Use 3.14 as pi. a=r²π
a=113.04
300
How many degrees are in a circle?
360°
300
How many sides does a circle have?
undefined!
300
Pumpkin Pie was first introduced to the holiday table of the Pilgrims during the _____ Thanksgiving. 1st, 2nd, or 3rd
2nd
400
What is circumference and how do you find it?
Circumference is the perimeter of a circle. You find the circumference by multiplying pi and the diameter.
400
What is the area of a circle with a diameter of 6? a=r²π use 3.14 as pi.
a=28.26
400
The Greek symbol was first introduced by?
William Jones
400
How many digits are in pi?
infinite!
400
The number of American's who have eaten pie for breakfast. 2 million, 13 million, 113 million
113 million
500
What is a constant in math and give an example.
A special number that does not vary in value. It stays the same. (Pi)
500
What is the circumference of a circle with a radius of 6? use 3.14 as pi
c=37.68
500
What year was Pi Day officially recognized?
2009
500
How many lines of symmetry does a circle have?
An infinite
500
Number of people who prefer to drink milk with pie. 6 million, 17 million, 75 million
75 million