# Find the hypotenuse of a right angled triangle with given two sides

Given the other two sides of a right angled triangle, the task is to find it’s hypotenuse.

Examples:

Input: side1 = 3, side2 = 4
Output: 5.00
32 + 42 = 52

Input: side1 = 12, side2 = 15
Output: 19.21

## Recommended: Please try your approach on {IDE} first, before moving on to the solution.

Approach: Pythagoras theorem states that the square of hypotenuse of a right angled triangle is equal to the sum of squares of the other two sides.

Below is the implementation of the above approach:

## C++

 `// C++ implementation of the approach ` `#include ` `#include ` `#include ` `using` `namespace` `std; ` ` `  `// Function to return the hypotenuse of the ` `// right angled triangle ` `double` `findHypotenuse(``double` `side1, ``double` `side2) ` `{ ` `    ``double` `h = ``sqrt``((side1 * side1) + (side2 * side2)); ` `    ``return` `h; ` `} ` ` `  `// Driver code ` `int` `main() ` `{ ` `    ``int` `side1 = 3, side2 = 4; ` `    ``cout << fixed << showpoint; ` `    ``cout << setprecision(2); ` `    ``cout << findHypotenuse(side1, side2); ` `} ` `     `  `// This code is contributed by ` `// Surendra_Gangwar `

## Java

 `// Java implementation of the approach ` `class` `GFG { ` ` `  `    ``// Function to return the hypotenuse of the ` `    ``// right angled triangle ` `    ``static` `double` `findHypotenuse(``double` `side1, ``double` `side2) ` `    ``{ ` `        ``double` `h = Math.sqrt((side1 * side1) + (side2 * side2)); ` `        ``return` `h; ` `    ``} ` ` `  `    ``// Driver code ` `    ``public` `static` `void` `main(String s[]) ` `    ``{ ` `        ``int` `side1 = ``3``, side2 = ``4``; ` `        ``System.out.printf(``"%.2f"``, findHypotenuse(side1, side2)); ` `    ``} ` `} `

## Python3

 `# Python implementation of the approach ` ` `  `# Function to return the hypotenuse of the ` `# right angled triangle ` `def` `findHypotenuse(side1, side2): ` ` `  `    ``h ``=` `(((side1 ``*` `side1) ``+` `(side2 ``*` `side2))``*``*``(``1``/``2``)); ` `    ``return` `h; ` ` `  `# Driver code ` `side1 ``=` `3``; ` `side2 ``=` `4``; ` ` `  `print``(findHypotenuse(side1, side2)); ` ` `  `# This code contributed by Rajput-Ji `

## C#

 `// C# implementation of the approach ` `using` `System; ` `     `  `class` `GFG ` `{ ` ` `  `    ``// Function to return the hypotenuse  ` `    ``// of the right angled triangle ` `    ``static` `double` `findHypotenuse(``double` `side1, ` `                                 ``double` `side2) ` `    ``{ ` `        ``double` `h = Math.Sqrt((side1 * side1) +  ` `                             ``(side2 * side2)); ` `        ``return` `h; ` `    ``} ` ` `  `    ``// Driver code ` `    ``public` `static` `void` `Main() ` `    ``{ ` `        ``int` `side1 = 3, side2 = 4; ` `        ``Console.Write(``"{0:F2}"``, findHypotenuse(side1,  ` `                                               ``side2)); ` `    ``} ` `} ` ` `  `// This code is contributed  ` `// by Princi Singh `

Output:

```5.00
```

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