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Chapter 0: Problem 28

Solve each formula for the specified variable. Do you recognize the formula? If so, what does it describe? $$C=2 \pi r \text { for } r$$

Short Answer

Expert verified
The formula solved for \( r \) is \( r = \frac{C}{2\pi} \)

Step by step solution

01

Identify the formula and the requirement

The given formula \(C = 2\pi r\) is the formula for the circumference of a circle, where \(C\) is the circumference and \(r\) is the radius. We are required to solve this formula for \( r \).
02

Isolate the required term

To solve for \( r \), we'll have to isolate it on one side of the equation. We can do that by dividing both sides of the equation by \( 2\pi \). This will give us \( r = \frac{C}{2\pi} \).
03

Final solution

So, the formula solved for \( r \) is \( r = \frac{C}{2\pi} \)

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Most popular questions from this chapter

In Exercises \(133-136\), determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. $$\frac{\sqrt{20}}{8}=\frac{\sqrt{10}}{4}$$

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