Solve the Equation for the Indicated Variable $A = 3 \pi a ^ { 2 }$

question 306

Multiple Choice

Solve the equation for the indicated variable. Assume no denominator is 0.
- $A = 3 \pi a ^ { 2 }$ , for $a$

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

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