Pi facts
Circumference Finding
Radius Finding
Area Finding
100

What is pi

What is 3.14 

100

What is the formula to find circumference

What is C=pi times d or c=pi times radius times 2

100

How do you find the radius if you have circumference only

What is C divided by pi divided by 2

100

How do you find area

What is A= Pi times radius squared
200

Pi is used to calculate the_____ of a circle

What is circumference 
200

Radius=11 find the circumference 

What is C=69.12 

200

Circumference=40

What is R=6.37 

200

radius=10

What is A=314.16 

300

what is the symbol of pi

[see example on board]
300

Radius=100 find the circumference

What is C=628.32 

300

Circumference=1550

What is R=246.69 

300

Radius=4

What is A=55.42 

400
When was pi created 

what is 1706 

400

Radius=3.14 find the circumference 

What is C=19.73 

400

Circumference=900

What is R=143.24 

400

Radius=4.20

What is A=55.42 

500

how many digits of pi are there

What is Nobody knows. Pi is referred as "the infinite decimal"

500

Radius=314 find the circumference

What is C=1972.92 

500

Circumference=314

what is r=49.97 

500

Radius=1

What is A=3.14

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