A(3)=3.14r^2

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Solution for A(3)=3.14r^2 equation: 


Simplifying
A(3) = 3.14r2

Reorder the terms for easier multiplication:
3A = 3.14r2

Solving
3A = 3.14r2

Solving for variable 'A'.

Move all terms containing A to the left, all other terms to the right.

Divide each side by '3'.
A = 1.046666667r2

Simplifying
A = 1.046666667r2

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