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Q: Pi can be used to calculate the blank of a circle?

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Any circle will work!

π r 2 (pi times the radius squared)

Because of the radius of the circle

because its used to calculate areas of circle, circumferences and so on

Circumference of a circle = 2*pi*radius or pi*diameter

To calculate the area of a circle use this formula: pi x r2.

The perimeter or circumference of a circle = 2*pi*radius or pi*diameter

you use pi to calculate the area or circumference of a circle

We can calculate the area of a circle by using the formula areacircle pi times r2. We know that pi is about 3.14 and r is the radius of the circle. Πr2 Where: Π pi (3.14159265...) r radius of circle

Circumference = 2*pi*radius or pi*diameter

No, pi is a ratio, often simplified as 22/7, used to calculate areas of circles, etc.So, the area of a circle is pi times r2, where r = the radius of the circle.

pi radius squared

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