Pi Day 3.14

Pi Meanings

100

This is the digits of pi approximate to 2 decimal places.

What is 3.14

200

The symbol pi in mathematics represents the what of a circle's circumference to its diameter.

What is ratio

300

Bonus

congratulations

400

A number that cannot accurately be written as a simple ratio and who's decimal goes on forever

What is a irrational number

500

This man popularized the symbol for pi.

Who is Leonard Euler?

Pi Formulas

100

This is the formula for the circumference of a circle? (There are 2 correct answers for this.)

What is C= 2 * pi * r OR C= pi * diameter

200

This is the formula for the area of a circle.

What is A= pi * r * r OR pi * r squared

300

This is the volume of a cylinder.

What is V = pi * r squared * h

400

When finding pi by using the circumference and diameter, this is the formula.

What is pi = C/d (pi = circumference divided by diameter.)?

500

3.14 is one approximation for pi.  What is the fraction used to approximate pi?

22/7

Pi Humor

100

This knight was the roundest knight at King Arthur's round table. (He acquired his size from too much pi.)

This knight was the roundest knight at King Arthur's round table. (He acquired his size from too much pi.)

200

What do you call a mathematician who becomes a private investigator?

Magnum pi

300

Why did pi gets it's driver's license revoked?

Because it did not know to stop.

400

What is a math teacher's favorite dessert?

Pi

500

What do you get if you divide the circumference of a jack-o-lantern by its diameter?

What is pumpkin pi?