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25 questions
What famous mathematician and scientist was born on Pi Day in 1879?
Archimedes
Einstein
Galileo
Newton
Pythagoras
Did you know? There are 24 letters in the Greek Alphabet. When listing them in order, which numbered place does the symbol Pi represent?
10
12
14
16
15
Who adopted π as the symbol for Pi in the 1700s?
Euler
Einstein
Descartes
Fibonacci
Pythagoras
Which of the following below must you always use Pi calculations for?
to find the area and circumference of a circle
to find the area of a rectangle
to find the height of a square
to find the length from one edge of a triangle to another
to find the derivative of a function
What are the first 7 digits of Pi?
3.145087
3.142936
3.141592
3.146559
3.141529
In the first 30 places of Pi's decimal expansion, which digit below is completely MISSING?
7
2
0
8
9
Pi is what type of number?
Rational
Imaginary
Irrational
Transcendental
Integer
What is the approximate value of Pi in FRACTION form?
3 ⁄ 14
14 ∕ 4
34 ∕ 11
22 ∕ 7
7 / 22
Pi is the ratio of a circle’s _________ to _________.
radius / diameter
circumference / diameter
area / circumference
circumference / radius
diameter / radius
"I prefer pi" written backwards forms the same exact saying. What is this called?
a homonym
a palindrome
an irrational
an anagram
a magic trick
What does the Massachusetts Institute of Technology (MIT) do every year on Pi Day?
Pi Bee
Pi Memorization Contest
Pie Eating Competition
Mails its College Acceptance Letters
Form Large Circles with Students on School Grounds and Shout Digits of Pi
Alan Turing
Trenton, New Jersey
50 yards
_____________ is the distance around the circle.
circumference
center
radius
diameter
perimeter
_____________ is twice the length of the radius.
circumference
center
segment
diameter
chord
How many degrees does a full circle have?
360 degrees
180 degrees
270 degrees
90 degrees
720 degrees
How many radians does a full circle have?
π radians
2π radians
360 radians
3π radians
π/2 radians
Convert π radians to degrees. (HINT: 2π = 360 degrees)
90⁰
180⁰
360⁰
60⁰
270⁰
On what day is Pi Day celebrated?
April 14th
March 14th
March 13th
February 13th
May 14th
Find the circumference of the circle shown. (HINT: Circumference = 2πr)
9π in.
4.5π in.
81π in.
28.26π in.
18π in.
What geometric term do we call a slice of pie as shown in the picture?
Triangle
Sector
Area
Circumference
Segment
Find the area of the circle shown. (HINT: Area = πr²)
11π m²
22π m²
121π m²
144π m²
484π m²
Which famous basketball player has their birthday on Pi Day?
Lebron James
Steph Curry
Michael Jordan
Shaquielle O'Neal
Koby Bryant
What is the world record for Pi digits memorized?
In the endless pursuit of Pi's decimal values, most couldn't get farther than Rajveer Meena — who memorized and recited an unfathomable amount of Pi digits in about 10 hours. Rajveer Meena memorized and recited all these Pi digits while blindfolded in 2015. Roughly how many digits did Rajveer memorize?
80,000 digits
70,000 digits
1,000,000 digits
65,000 digits
314,000 digits
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