1.
What is the date celebrated as Pi Day?
Answer:
March 14
2.
What is the numerical value of pi to two decimal places?
Answer:
3.14
3.
Who is credited with the first calculation of pi?
Answer:
Archimedes
4.
What is the symbol for pi?
Answer:
π
5.
In which year was the first official celebration of Pi Day held?
Answer:
1988
6.
What is the circumference of a circle with a diameter of 1 unit in terms of pi?
Answer:
π
7.
Which famous physicist was born on Pi Day?
Answer:
Albert Einstein
8.
What is the formula for the area of a circle in terms of pi?
Answer:
A = πr²
9.
What is the name of the mathematical constant that represents the ratio of a circle's circumference to its diameter?
Answer:
Pi
10.
How many digits of pi were calculated by the computer scientist Timothy Mullican in 2020?
Answer:
50 trillion
11.
What is the value of pi in degrees when converting a full circle?
Answer:
180 degrees
12.
What is the first digit of pi after the decimal point?
Answer:
1
13.
What is the name of the day that celebrates the mathematical constant pi?
Answer:
Pi Day
14.
What is the value of pi to 10 decimal places?
Answer:
3.1415926535
15.
What is the name of the book that features a character named "Pi"?
Answer:
Life of Pi
16.
What is the term for a number that cannot be expressed as a simple fraction, such as pi?
Answer:
Irrational number
17.
What is the value of pi in radians for a full circle?
Answer:
2π
18.
What is the name of the formula that relates the circumference and diameter of a circle?
Answer:
C = πd
19.
How many digits of pi did the mathematician Ludolph van Ceulen memorize?
Answer:
35
20.
What is the approximate value of pi to three decimal places?
Answer:
3.142
21.
What is the name of the mathematical series that can be used to calculate pi?
Answer:
GregoryLeibniz series
22.
What is the name of the event where people recite digits of pi?
Answer:
Pi recitation contest
23.
What is the name of the famous formula that includes pi, e, and 1?
Answer:
Euler's identity
24.
What is the name of the mathematical constant that is the base of natural logarithms?
Answer:
E (Euler's number)
25.
What is the name of the circle constant that is equal to pi times the radius?
Answer:
Circumference
26.
What is the name of the famous mathematician who calculated pi using polygons?
Answer:
Archimedes
27.
What is the value of pi in a circle with a radius of 2?
Answer:
4π
28.
What is the name of the contest where participants try to memorize as many digits of pi as possible?
Answer:
Pi memorization contest
29.
What is the name of the mathematical constant that represents the ratio of the circumference of a circle to its radius?
Answer:
2π
30.
What is the approximate value of pi to 20 decimal places?
Answer:
3.1415926535898
31.
What is the name of the famous mathematician who introduced the symbol π?
Answer:
William Jones
32.
What is the name of the series that converges to pi/4?
Answer:
GregoryLeibniz series
33.
What is the name of the mathematical concept that pi is a part of, which includes irrational and transcendental numbers?
Answer:
Real numbers
34.
What is the value of pi in a circle with a diameter of 10?
Answer:
10π
35.
What is the name of the mathematical constant that is the ratio of the circumference of a circle to its radius?
Answer:
π
36.
What is the approximate value of pi to 30 decimal places?
Answer:
3.1415926535898
37.
What is the name of the famous formula that relates pi to the sine function?
Answer:
The sine integral
38.
What is the value of pi in a circle with a radius of 5?
Answer:
10π
39.
What is the name of the mathematical series that can be used to approximate pi using the arctangent function?
Answer:
Machin's formula
40.
What is the name of the famous mathematician who proved that pi is irrational?
Answer:
Johann Lambert
41.
What is the approximate value of pi to 100 decimal places?
Answer:
3.1415926535... (and continues)