the problem is a equals pie times r squared iv tried to figure it out but im stumped could you please help me solve for r

Thank you for the opportunity to help you with your question!

given that a=3.14r^2;

we find the value of r by making r subject of the formula.

Dividing both sides of the equation by 3.14 gives,

r^2=a/3.14

the value of r is obtained from computing for the squareroots of both sides of the equation.

Hence r = √(a/3.14) or r is equal to the square root of (a/3.14).

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