Q: What is 2pi squared?

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Radius: 40/2pi = 6.366197724 Area: pi*6.366197724 squared = 127.324 square feet rounded

The circumference of a circle with a 2pi radius is: 39.58

Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)

2PI

No it does not have a name.

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No. 2Pi r is equal to Pi d, though.

The surface area of a circular based prism is (2pi x radius squared) + (2pi x radius x height)

Reciprocal of 2pi = 1/(2pi) = 0.159155(rounded)

pi2rh + pi2r^2pi=most commonly 3.14r=radiush=heightr^2=radius squared

Radius: 40/2pi = 6.366197724 Area: pi*6.366197724 squared = 127.324 square feet rounded

The cos of 2pi is 360 degrees which is 1.

It should be called the fourth of a circle. Numerically, it's (2pi x r)/4 for the perimeter. and (pi x r squared) / 4 for the area.

(pi^2+2pi)/2pi

The circumference of a circle with a 2pi radius is: 39.58

NO. pi is an irrational number, therefore, 2pi is also an irrational number/

area = 2pi*r2circumference = 2pi*rThe ratio of their circumferences will be 2pi*r1 /2pi*r2 = r1/r21) r2 = 6pi/2pi = 3. r1 = root(3).2) r = 150pi/2pi = 75. r2 = root(75)So the ratio of their circumferences isr1/r2 = root(3)/root(75)

Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)