Formulas
Area
Circumfrence
Digits of Pi
Pi times
100

What is pi * pi

9.86

100

Area of a circle with radius 5.

25pi

100

Circumference of circle with diameter 10

31.42

100

What is a approximate version of π?

3.14

100

Pi(3.14) * 2?

6.28

200

What is the formula for pi

c over 2r

200

Area of a circle with radius of 10

100pi

200

Circumference of circle when r=872

1744PI

200

Recite the first 25 digits of pi to the right...

3.1415926535897932846264338

200

pi (3.14)* 8?

25.12

300

What is the formula for finding the area of a circle?

pi*r(squared)

300

formula for Area of Circle

πr^2

300

Formula for circumference of circle 

2πr

300

Recite the first 50 digits of Pi

3.14159265358979323846264338327950288419716939937510

300

pi (3.14)* 96

301.44

400

What is the formula for circumference of a circle

pi*r*2

400

what is the area of the circle when r=90

8100pi

400

What is the radius when the circumference is 26π

What is 13

400

What is the 100th digit of Pi to the right of the decimal?

What is 9?

400

pi(3.14)^2

9.8596

500

What is the formula π= L/w used for?

where L and w are, respectively, the perimeter and the width of any curve of constant width.

500

What is the area of the circle when r=147

What is 21609π?

500

What is the circumfrence of the circle with the radius is 6826.22?

What is 13652.44π

500

What is the 210th digit of pi to the right of the decimal point

5

500

pi (3.14)^3

30.959144