5.3.4Act1

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<html lang ="en">
    <head>

        <meta charset="utf-8">
        <title> 5.3.4Act1</title>

    </head>
<body>
        <script>
    var r =  5.5;
            var pi, a, p, ab,pb;
            pi = Math.PI;
            a = r * r * pi;
            p = 2 * r * pi;
            ab = a.toFixed(2)
            pb = p.toFixed(2)

            document.write("radius: "+r+"<br>area: "+ab+"<br>perimiter: "+pb);

        </script>
</body>
</html>