Math
posted by Agala .
The formula C = 2 x Pi x r is used to calculate the circumference of a circle when given the radius. What is the formula for calculating the radius when given the circumference?
C/2Pi = R***
C/2R = Pi
2 x Pi x C = R
2 x Pi/ C = R

Right.
Respond to this Question
Similar Questions

math
the radius of a circle when the numeric values of the circumference and the area are equal Start with what you know. If you know the formula the area of a circle, and the formula for the circumference of a circle, then you can set … 
math
Okay. So i'm doing this project for my geometry class about different sports, soccer, baseball, basketball, bowling, golf, volleyball and pool. I have to find the surface area, volume, diameter, circumference, and radius of each of … 
Circles.
Ok I'm trying to find the radius of a circle with the given measurement. 4/5C=17 C stands for Circumference. Solve for C (multiply both sides by 5/4) Then, solve for radius R= C/2PI 
Algebra
The area of a circle is given by the formula A = pi*r^2 and the circumference of the circle is given by C = 2*pi*r. Find the ratio of the area to the circumference. What happens to this ratio if the radius is quadrupled? 
math
mr smith wants to increase the size of his circles radius by 2 feet write a formula that can be used to find the circumference of the large circle 
c# programming
To see how the four steps of the software development procedure discussed in Section 1.7 can be applied in practice, you apply them to the following simple programming problem: The circumference, C, of a circle is given by the formula … 
c programming
To see how the four steps of the software development procedure discussed in Section 1.7 can be applied in practice, you apply them to the following simple programming problem: The circumference, C, of a circle is given by the formula … 
Math
23.What is the approximate circumference of a circle with a radius of 6 centimeters? 
math
You can use the formula A = C^2 / 4pi to find the area of a circle given the circumference. Describe another way to find the area of a circle when given the circumference. THX! 
Math
Find the perimeter of a regular 360sided polygon that is inscribed in a circle of radius 5 inches. If someone did not remember the formula for the circumference of a circle, how could that person use a calculatorâ€™s trigonometric …