Calculate
Definitions
Pi Facts
Mystery
Puns
100

Find the circumference of a circle with a diameter of ten inches

31.4 inches

100

What is the line that passes through the center and meets the circumference at opposite ends?

Diameter

100

Who's birthday is it today?

Albert Einstein

100

What are the two formulas to finding the circumference of a circle? 

2(pi)r 

pi(d)

100

What is a mathematician's favorite fruit? 

Pi-neapple 

200

Find the circumference of a circle with a radius of four centimeters

25.12 centimeters

200

What is the difference between a diameter and a radius?

A circle's radius is half the length of its diameter

200
What other date would be fitting to celebrate pi? 

July 22nd 

200

The letter that represents pi is... 

Greek

200

What do you call a mathematician that takes over a ship? 

Pi-rate 

300

Find the diameter of a circle with a circumference of 28.26 ft

9 ft

300

What is a number that cannot be expressed as a fraction of two integers?

Irrational number

300

According to the first 5 digits of pi, what time exactly is best to celebrate pi day? 

1:59 

300

what is the fraction that gives the pi value? 

22/7

300

What do you call a mathematician that flies a plane? 

Pi-lot

400

Find the surface area of a sphere with the radius of 1.5 cm.

28.26 cm2

400

Give an example of a never-ending number that isn't pi.

A repeating decimal 

400

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 

400

What is the volume of a cylinder? 

pi.r^2(h)

400

What is a mathematician's favorite snake? 

Pi-thon

500

A satellite in a circular orbit rotates around the Earth every 120 minutes. If the Earth’s radius is 4000 miles at sea level, and the satellite’s orbit is 400 miles above sea level, approximately what distance does the satellite travel in 40 minutes?

 

4120 miles

500

How do we calculate the area of a semi-circle? 

(pi.r^2)/2

500

Which mathematicians discovered pi? 

The Greek 

500

How do we use pi in our everyday lives? 

Building and construction, communications, medical procedures, air travel, space flight, and clock designers

500

How many bakers does it take to bake a pi?

3.14

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