Digits of Pi
History of Pi
Number Pi
Pi Riddles
Solve with Pi
100

What are the first 6 digits of pi?

3.14159

100

When was pi first used?

Pi was first used in 1706

100

What type of number is pi?

Pi is an irrational number.

100

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

A pi-rate

100

The diameter of the circle is 9 centimeters, what is the circumference? Round to the nearest whole number.

C = πd

28 centimeters

200

What are the first 8 digits of pi?

3.1415926

200

Who first calculated pi?

The first calculation of pi was done by Archimedes of Syracuse (287–212 BC)

200

What word can describe pi's digits?

Pi is infinite.

200

What does a mathematician needs to fly his plane?

His Pi-lot's License 

200

The radius of the circle is 4 inches. What is the area? Round to the nearest whole numbers.

A = π ⋅ r2

50 inches2

300

What are the first 10 digits of pi?

3.141592653

300

Who were the first people to use pi?

The Egyptians were the first people to use pi.o use pi?

300

What can't pi be expressed as?

Pi cannot be expressed as a fraction

300

What is a mathematician's favorite dessert?

Pi-e !

300

If the radius of the circle is 3.25, what is the circumference? Round to the nearest tenth.

20.4

400

What are the first 12 digits of pi?

3.14159265358

400

Who created Pi Day?

Larry Shaw organized the first celebration of Pi Day.

400

Pi is a complex number that is not algebraic; what is another word for this?

Pi is a transcendental number which means it is complex number and that it isn't algebraic.

400

What does a mathematician do with her papers?

She makes a pi-le !

400

If the diameter of a circle is 32 mm, find the area. Round to the nearest hundredth.

804.25 mm2

500

What are the first 14 digits of pi?

3.1415926535897

500

The earliest written approximations of pi were found in what two countries?

Babylon and Egypt

500

Pi’s irrationality measure is smaller than the numbers of what?

Pi's irrationality is smaller than the measure of the Liouville numbers.

500

What does the mathematician put into her gourmet cookies?

S -pi- ces !

500

If the diameter of a semicircle is 10 inches, find the area. Round to the nearest tenth.

39.3 inches2

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