<html><body>echo hypot(3,4) . "<br>";echo hypot(4,6) . "<br>";echo hypot(1,3) . "<br>";echo sqrt(3*3+4*4);</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_math_hypot by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:51:03 GMT --></html>