Question

Pi(r^2)(12)=324 , how do you find the radius of this equation? ​

Answer 1

`r=\sqrt{(27)/(\pi ) }`

Explanation:

`\pi r^(2) (12)=324`

`\pi r^(2) =27`

`r^(2) =(27)/(\pi )`

`r=\sqrt{(27)/(\pi ) }`