Digits of Pi
The Unit Circle
Famous Formulas
History
Problems of Pi
100

The first 5 digits of Pi

What are 3.1415?

100

cos of pi

What is negative one?

100

Pi times diameter.

What is the circumference?

100

This was the number of days it took the computer to calculate the record number of digits of pi on March 1st, 2022.

What is 158 days?

100

A dozen pies are sold for $16.64. This is the cost of nine pies.

What is $12.48?

200

The tenth digit of Pi

What is 3?

200

Sin of one-quarter pi.

What is the quotient of the square root of two and two?
200

The formula for calculating the volume of a sphere given the radius.

What is four-thirds pi times the radius cubed?

200

In this year, the house of the US state of Louisiana passed House Bill No. 246, which would have legislated the value 3.2 for pi. 

What is 1897?

200

The recipe for a certain pie call for the ratio between the flower and eggs to be 4:3, the ratio between the flower and the butter to be 6:11, and the ratio between the eggs and the filling to be 7:9. This is the ratio of eggs to butter.

What is 9:22?

300

The first 15 digits of pi.

What are 3.1415 92653 58979?

300

Sin of seven-sixths of pi.

What is the quotient of negative one and two.

300

The number e to the power of the product of i and pi.

What is negative one?

300

We all know pi as the ratio between a circle's circumference and diameter, but in the Greek numeral system it represented this number.

What is 80?

300

The cost of a pumpkin pie and apple pie is $107.87; If the cost of the pumpkin pie is $21.01, this is the cost of the pumpkin pie.

What is $64.44?

400

The first 25 digits of pi.

What are 3.1415 92653 58979 32384 62643?

400

Tangent of five-thirds of pi.

What is negative square root of three?

400

The formula for the area of a circle given the radius.

What is pi r squared?

400

The current record for most calculated digits of pi.

What is 100,000,000,000,000?

400

James buys a pie for 10% less than its normal price. If he then sells it for 20% less more than the price he bought it, this is the percent profit does he makes.

What is 8?

500

The location of the first 0 in the decimal expansion of pi.

What is the thirty second digit? 

500

Cos of pi twelfths.

What is the sum of the square root of six and square root of two divided by four?

500

The solution to the Basil problem.

What is the quotient of pi squared and six.

500

This was the year of the earliest recorded use symbol for pi as the value of the ratio of circumference over diameter.

What is 1706?

500

Twelve pie's are placed in a perfect circle. One pie is eaten. Then, the pi to its right is eaten. Lastly, the pie five to the left of the first pi is eaten. This is the size of the largest angle of the triangle in degrees.

What is 90.