**The Program in C# Program to Find Sum of right Diagonals of a Matrix is given below:**

```
using System;
namespace RightDiagonalSum
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello Codeauri Family, enter the number of rows and columns in the matrix: ");
int rows = int.Parse(Console.ReadLine());
int columns = int.Parse(Console.ReadLine());
int[,] matrix = new int[rows, columns];
int sum = 0;
Console.WriteLine("Enter the elements of the matrix: ");
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < columns; j++)
{
matrix[i, j] = int.Parse(Console.ReadLine());
}
}
for (int i = 0; i < rows; i++)
{
sum += matrix[i, i];
}
Console.WriteLine("Okay, the sum of right diagonals is: " + sum);
}
}
}
```

## Output:

Hello Codeauri Family, enter the number of rows and columns in the matrix:

3

3

Enter the elements of the matrix: 56

78

45

65

33

45

23

12

56

Okay, the sum of right diagonals is: 145

## Pro-Tips💡

Here are the steps by steps execution of above program:

- We start by importing the
`System`

namespace. - Then, we create a class
`Program`

and a`Main`

method. - Next, we ask the user to enter the number of rows and columns in the matrix.
- We then declare two variables,
`rows`

and`columns`

to store the number of rows and columns entered by the user. - We create a 2-dimensional array
`matrix`

to store the elements of the matrix, and a variable`sum`

to store the sum of right diagonals. - We then ask the user to enter the elements of the matrix.
- We use a for loop to traverse the matrix, and for each element, we add the value of the current element (i, i) to the sum if the current row number is equal to the current column number.
- Finally, we print the sum of right diagonals.

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