# PHP Exercises: Check whether three given lengths of three sides form a right triangle

## PHP: Exercise-48 with Solution

Write a PHP program to check whether three given lengths (integers) of three sides form a right triangle. Print "Yes" if the given sides form a right triangle otherwise print "No".

**Input:**

Integers separated by a single space.

1 ≤ length of the side ≤ 1,000

**Pictorial Presentation: **

**Pictorial Presentation: **

**Sample Solution: **

**PHP Code:**

```
<?php
// Assign values to variables representing the sides of a triangle
$a = 5;
$b = 3;
$c = 4;
// Square each side by multiplying it by itself
$a *= $a;
$b *= $b;
$c *= $c;
// Check if the sum of the squares of two sides equals the square of the third side
if ($a + $b == $c || $a + $c == $b || $b + $c == $a) {
// Print "YES" if the condition is true
echo "YES\n";
} else {
// Print "NO" if the condition is false
echo "NO\n";
}
?>
```

**Explanation:**

**Variable Assignment:**- Three variables, $a, $b, and $c, are assigned values representing the sides of a triangle: $a = 5, $b = 3, and $c = 4.
**Squaring the Sides:**- Each side is squared by multiplying it by itself:
- $a *= $a; (Now $a is 25)
- $b *= $b; (Now $b is 9)
- $c *= $c; (Now $c is 16)
**Checking the Pythagorean Theorem:**- The code checks if the sum of the squares of any two sides equals the square of the third side using the condition:
- if ($a + $b == $c || $a + $c == $b || $b + $c == $a)
- This condition evaluates whether the triangle with the given sides is a right triangle.
**Printing the Result:**- If any of the conditions are true, it prints "YES\n", indicating that the triangle can be classified as a right triangle.
- If none of the conditions are met, it prints "NO\n", indicating that the triangle is not a right triangle.

Output:

YES

**Flowchart: **

**PHP Code Editor:**

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**Previous:** Write a PHP program to compute the digit number of sum of two given integers.

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