Question

Solve A=3.14r2 solve for r

Answer 1

Explanation:

A=3.14r^2

Answer 2

`\sqrt{(A)/(3.14) } =r`

Explanation:

`A=3.14r^2\\`

Divide both sides by 3.14.

`(A)/(3.14)=r^(2)`

To remove the square put root on both sides.

`\sqrt{(A)/(3.14) } =r`