Solve the Formula for the Indicated Letter $$A = \frac { 1 } { 3 } \pi r ^ { 2 } \text { for } r$$

question 12

Multiple Choice

Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.
- $$A = \frac { 1 } { 3 } \pi r ^ { 2 } \text { for } r$$

• A) \(r = \frac { 3 \pi } { \mathrm { A } }\)
• B) \(r = \sqrt { \frac { \mathrm { A } } { 3 \pi } }\)
• C) \(r = 3 \sqrt { \mathrm { A } \pi }\)
• D) \(r = \sqrt { \frac { 3 \mathrm {~A} } { \pi } }\)

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Definitions:

Fair Value

An estimate of the market value of an asset, based on what a knowledgeable, willing, and unpressured buyer would likely pay to a seller.

Boot

Additional value or cash given along with a trade or exchange to equalize the value between traded items.

Plant Site

The location or real estate used for industrial or manufacturing operations.

Nominal Cost

A term often used to describe a cost that is very small or insignificant in comparison to the overall financial figures involved.