This circle has...
A radius of: 69A diameter of: 138
A circumference of: 433.53978619539
An area of: 14957.122623741
The AREA is 14957.122623741 ---
 
<?php
//circle_properties
//9/21/2024
include("includes/header.php");
$r = rand(0,100);
$radius = $r;
$diameter = $radius * 2;
$circumference = M_PI * $diameter;
$area = M_PI * pow($radius, 2);
echo("<h1>This circle has...</h1>");
echo("A radius of: " . $radius . " <br>");
echo("A diameter of: " . $diameter . " <br>");
echo("A circumference of: " . $circumference . " <br>");
echo("An area of: " . $area . " <br>");
echo("<h1>The AREA is $area ---</h1>");
include("includes/footer.php");
?>