Math Problem Statement
The circumference C of a circle is a function of its radius given by C(r)=2πr
a. Express the radius of a circle as a function of its circumference. Call this function r(C)
Enter the exact answer. Enclose numerators and denominators in parentheses. For example, (a−b)/(1+n). r(C)=?
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Functions
Algebra
Formulas
C(r) = 2πr
r(C) = C / (2π)
Theorems
Circumference of a Circle
Suitable Grade Level
Grades 9-10