--- /dev/null
+<?php
+ $radius = $_GET["radius"] ?? 0;
+ $circumference = round(2 * pi() * $radius, 2);
+ $area = round(pi() * pow($radius, 2), 2);
+ $volume = round((4 / 3) * pi() * pow($radius, 3), 2);
+
+ echo "<br>If radius of the circle is {$radius}<br>";
+ echo " Its circumference would be: {$circumference}cm <br>";
+ echo " Its area would be: {$area}cm<sup>2</sup> <br>";
+ echo " Its volume would be: {$volume}cm<sup>3</sup>";
+?>
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--- /dev/null
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="UTF-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+ <title>circle</title>
+</head>
+<body>
+ <h1>find the circumference, area, and volume of a circle base on its radius.</h1>
+ <form action="" method="GET">
+ <label for="radius">what is the radius:</label>
+ <input type="value" name="radius" id="radius" required>
+ <input type="submit" value="calculate">
+ </form>
+ <?php include './calculate.php';?>
+</body>
+</html>
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repos / circle.git / commitdiff