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mapalo mutengo

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Q: How do you express r in terms of c and pi?
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What is the circumference of a circle that has a radius of 38 inches in terms of pi?

The circumference C = 2 r times pi C = 76 inches times pi. pi = 3.141592654...


How do you express the area of a circle as a function of its radius?

If a circle has radius r, then the area of the circle is pi r2, pi being about 3.14159. I beleive the function you are looking for is A(c)=c/2*r


How do you express the area of a circle in terms of diameter?

Circle area = pi*r 2 r= D/2 Circle area = pi*(D/2) 2 = (pi/4)*D 2


How do you express the area of a circle as a function of its circumference?

By using the well-known formula, A = pi x r2, and expressing the radius in terms of the circumference, r = c / (2 x pi). Replace in the first formula, and simplify. f


What is the circumference of a circle with a radius 5x plus 1 in terms of x?

C = pi*2r, where C is the circumference and r is the radius.In this case, C = pi*2(5x+1), which can also be written as to C = pi*(10x+2).


What is the area of a circle in terms of its circumference?

Using the circumference, you would find the radius first. The circumference C = 2*Pi*r where r is the radius. Then, the area of the circle = Pi*r^2.


What is the radius of a circle with circumference of 8 inches?

C = 2*pi*r 8 = 2*pi*r 4 = pi*r r = 4/pi


The can has a volume of 342 cm3 and a diameter of 6 cm express the height in terms of pi?

v = pi*r^2*h 342 = pi * 3^2 * h 342 = 9h*pi 38 = pi*h h = 38 / pi


What is the circumference of a circle with a radius of 56 inches in terms of pi?

The formula for the circumference of a circle is C = pi r2 where r is the radius. Substituting 56 inches for the radius gives: C = pi(56)2 = (3136)pi inches.


How do you find the radius of a circle if all you know is the circumference?

C = circumference r = radius C = 2 x pi x r C / 2 = pi x r C / 2 / pi = r


A circle has a circumference of 16 pi inches what is its radius?

The formula where C=circumference, R=radius is C = 2 pi R Since C = 16 pi inches and 16 pi = 2 pi R we can solve for R and get R= 16 pi /2 pi = 8 Therefore the Radius is 8 inches.


Express the radius of a circle as a function of its area?

A = (pi)r2 A/pi = r2 √(A/pi) = r