Solve for the Indicated Variable $$\mathrm { A } = 3 \pi \mathrm { a } ^ { 2 } , \quad \text { for } \mathrm { a }$$

question 217

Multiple Choice

Solve for the indicated variable. Assume the variable you are solving for must be greater than 0.
- $$\mathrm { A } = 3 \pi \mathrm { a } ^ { 2 } , \quad \text { for } \mathrm { a }$$

• A) \[a = \frac { \sqrt { \mathrm { A } \pi } } { 3 }\]
• B) \[a = \frac { \sqrt { 3 \pi A } } { 3 \pi }\]
• C) \[\mathrm { a } = \sqrt { 3 \pi \mathrm { A } }\]
• D) \[a = \frac { A \sqrt { 3 \pi } } { 3 \pi }\]

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Perfectly Competitive

A market structure characterized by a large number of buyers and sellers, homogenous products, no barriers to entry or exit, and perfect information among market participants.

Normal Good

A good for which demand increases when consumer income rises, showing a positive relationship between income and demand.

Income Rises

An increase in the amount of money or value earned or received by an individual, business, or country over a certain period.

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A period of free time not taken up by work, domestic responsibilities, or other obligatory tasks, often used for rest, recreation, or cultural activities.