Practical Name:- Write a php program to calculating the area of a circle using function.
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Solution:-
<?php
$diameter = 13.0;
$pi = 3.14;
$title="Circle";
function circleArea($diameter, $pi)
{
$area = $diameter * $pi; return $area;
}
echo " area
of a circle <br><br>"; echo "$diameter * $pi =";
echo circleArea ($diameter,$pi);
?>
Output:
