Pls help me with this code

Question

Area of circle (C#)

Answer 1

Can I see your code?

Answer 2

I don't understand

Answer 3

Console.WriteLine(pi*radius*radius);

Answer 4

console.WriteLine(pi*(r**2))

Answer 5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
const double pi = 3.14;
double radius;

//your code goes here
Console.WriteLine(pi*(r**2));

}
}
}

Answer 6

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
const double pi = 3.14;

double radius = Convert.ToDouble(Console.ReadLine());

double z;
z = pi * Math.Pow(radius, 2);
Console.WriteLine(z);

}
}
}

Answer 7

Thanks

Answer 8

It doesn't work

Answer 9

Perhaps the problem is in another part of the code. Can I see the whole code?

Answer 10

You didn't specify a radius value. Judging by the comment in the code, you need to specify keyboard input. And judging by the fact that the radius has a double value, it is already squared

Answer 11

Pls help me to solve it

Answer 12

Thanks 👍

Answer 13

It worked,but pls explain

Answer 14

Semilore Akinyode
I advise you to go through the C# material again to refresh your knowledge. You can also look at the training on the Internet for more information.

Answer 15

I mean the Math.Pow

Answer 16

The Math.pow() method returns the base raised to the power of the exponent, that is, the value of the expression base exponent.

Math.pow(base, exponent)
base - Degree base.

exponent - The exponent to which the base is raised.

Answer 17

Thanks so much