Pi is this number in the Greek alphabet.

The circumference of a pie with a radius of 17 cm.

The point inside a circle that is the same distance from all points on a circle.

The closest fraction to pi.

This famous man was born on Pi Day.

The approximate value of Tau?

The area of a center circle that has a diameter of 12 feet.

The ratio of a circle's circumference to its diameter.

This is the official starting time of Pi Day.

This man introduced the Greek letter pi in 1706.

Pi has been calculated to this many decimal places.

The area of a pizza with a diameter of 14 inches.

A segment that joins two points on a circle.

The reflection of 3.14 resembles this word.

This ancient people knew the existence of pi, but had the incorrect constant of 3.125...

This number is not found in the first 31 digits of pi.

The approximate diameter of a basketball with a circumference of 29.5 inches.

A portion of a circle's circumference.

This TV show made a reference to pi in the late 60's.

This famous mathematician was the first to theoretically calculate pi.

This point in pi at position 763 starts what is six 9's in a row.

Rounded to the nearest tenth, the radius of a bottle cap with a circumference of 3 inches.

The term for a never ending or repeating decimal number.

This book written by Carl Sagan says that pi contains a message from the beings that built the universe.

This man set the record for reciting 67,890 digits of pi.