area.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="./style.css ">
    <title>Area of Triangle</title>
</head>
<body>
    <nav class="navigation">
        <a href="./index.html">Is Triangle</a>
        <a href="./quiz.html">Triangle Quiz</a>
        <a href="./hypotenuse.html">Calculate Hypotenuse</a>
        <a href="./area.html">Area of Triangle</a>
    </nav>
    <h1>Area of Triangle</h1>
    <label>Base</label>
    <input type="number" class="side-input"/>
    <label>Height</label>
    <input type="number" class="side-input"/>
    <button id="area-btn">Area of Triangle</button>
    <div id="output"></div>
    <script src="./area.js"></script>
</body>
</html>