Formulas
Circumference
Area
100

What is the formula for the area of a circle 

what is pi r squared (3.14xR squared)

100

What is the circumference of a circle if the radius is 3

What is 18.84

100

What is the area of a circle whose radius is 5?

What is 78.5?

200

how to i coculate the circomference from the diamater

 What is diamater times 3.14

200

What is the circumference if the diameter is 17

What is 53.38?

200

What is the area of a circle whose diameter is 12?

What is 113.04?

300

how to i get from radius to circomference

what is radius X pi X 2

300

What is the circumference if the diameter is 20, rounded to the nearest whole number?

What is 63

300

What is the area of a circle if the diameter is 100

What is 7,850 ?

400

what is Radius times 2 get you

 what is diamater

400

What is the circumference of a circle if the radius is 10.5?

What is 64.94

500

What is the circumference of circle whose diameter is 16 - rounded to a whole number ?

What is 50?

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