hypot

(PHP 4 >= 4.1.0, PHP 5, PHP 7)

hypot — Calculate the length of the hypotenuse of a right-angle triangle

Description

hypot() returns the length of the hypotenuse of a right-angle triangle with sides of length x and y, or the distance of the point (x, y) from the origin. This is equivalent to sqrt(x*x + y*y).

Parameters

x

Length of first side

y

Length of second side

Return Values

Calculated length of the hypotenuse

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https://secure.php.net/manual/en/function.hypot.php