find the volume of a regular polygon circumscribed around a cylinder in php

To find the volume of a regular polygon circumscribed around a cylinder, we need to first find the length of the side of the polygon and the height of the cylinder. We can then use the formulas for the area of a regular polygon and the volume of a cylinder to calculate the volume of the circumscribed polygon.

Here's the code implementation in PHP:

main.php
<?php
// Radius of the cylinder
$r = 5;

// Number of sides of the polygon
$n = 6;

// Length of the side of the polygon
$s = 2 * $r * sin(pi()/$n);

// Height of the cylinder
$h = $s * $n;

// Volume of the circumscribed polygon
$V = pi() * pow($r, 2) * $h;

echo "Volume of the regular polygon circumscribed around the cylinder is: " . $V . " cubic units";

?>
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In the above code, we have defined the radius of the cylinder and number of sides of the polygon. We have then calculated the length of the side of the polygon and the height of the cylinder using the formulas mentioned earlier. Finally, we have used the formula for the volume of a cylinder to calculate the volume of the circumscribed polygon and displayed the result.