Example
Calculate the hypotenuse of different right-angle triangles:
html
<?php
echo hypot(3,4) . "<br>";
echo hypot(4,6) . "<br>";
echo hypot(1,3) . "<br>";
echo sqrt(3*3+4*4);
?>
Definition and Usage
The hypot() function calculates the hypotenuse of a right-angle triangle.
Tip: This function is equivalent to sqrt(xx + yy).
Syntax
text
hypot(x,y);
Parameter Values
| Parameter | Description |
|---|---|
| x | Required. Specifies the length of first side |
| y | Required. Specifies the length of second side |
Technical Details
| Return Value: | The length of the hypotenuse |
|---|---|
| Return Type: | Float |
| PHP Version: | 4.1+ |