C# please help me sove it , pi perimeter its 3.14

C#
1 
/* ### The following variable defines the constant PI ### */
const float PI = 3.14;

float CirclePerimeter(float radius)
{
    /* ### Write your code below this line ### */

    return /........................../;
}

whats the answer?

2

do you know the matematical formula for the circle perimeter or do you know how to find it by googling? start from there

3

ok thanks oooooooooo

4

you have any tips to googling it more atractivly?

5

google “circle perimeter formula”, you will find something like perimeter = 2πr, and now you just need to put it into your code

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