A(2)=3.14r^2

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


Simplifying
A(2) = 3.14r2

Reorder the terms for easier multiplication:
2A = 3.14r2

Solving
2A = 3.14r2

Solving for variable 'A'.

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

Divide each side by '2'.
A = 1.57r2

Simplifying
A = 1.57r2

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