Q: What is the C in the equation 2 pi r equals C?

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No. C = 2*pi*r is the equation representing the circumference of a circle. The area of a circle is equal to pi*(r^2).

the answer is c, pi

Circumference = Pi x Diameter (Pi equals 3.14)

It is an equation ... Anything with an equals is an equation 2+b=6 Anything without an equals is an expression 2+a

The circumference C of a circle can be written as C = 2 x pi x r, where r is the radius. Thus, to get C, you divide both sides of the equation with 2 x pi and get r = C/(2 x pi).

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No. C = 2*pi*r is the equation representing the circumference of a circle. The area of a circle is equal to pi*(r^2).

2r(pi)=C where C is circumference. Therefore the radius equals C/2(pi)

the equation to find circumference is C=2*pi*radius so when you have a radius of 18 inches, C=113.097

the answer is c, pi

The equation for circumfrance is 2(pi)r (pi meaning the constant 3.14159, rounded). To find the radius if the circumfrance is known, you would re-arrange this equation to solve for r - it would go from C=2(pi)r into r=C/2(pi). c = circumference, r = radius. If the circumference is 2*pi*r, then r = c/(2*pi)=

Circumference = Pi x Diameter (Pi equals 3.14)

It is an equation ... Anything with an equals is an equation 2+b=6 Anything without an equals is an expression 2+a

C = pi*r82 C = Pi*r*2 90=R Thus 180*Pi

C = 2 * (pi) * (radius) So plug in 2 for radius C = 2 * (pi) * (2) C= 4(pi) If you need to approximate multiply 4 times 3.14. If you do not need to approximate then your answer is 4(pi)

The formula is pi x the diameter of the circle, which is also pi x (2 x the radius) C = pi * D C = pi * 2r

The circumference C of a circle can be written as C = 2 x pi x r, where r is the radius. Thus, to get C, you divide both sides of the equation with 2 x pi and get r = C/(2 x pi).

C=2(pi)(r) therefore if r equals 3.20 then C=20.1061929