<!DOCTYPE html>
<html>
<head>
<style>
div.a {
width: calc(50px * sqrt(16));
height: calc(50px * sqrt(9));
background-color: salmon;
margin-bottom: 25px;
}
div.b {
width: calc(20px * sqrt(16));
height: calc(20px * sqrt(9));
background-color: green;
margin-bottom: 25px;
}
div.c {
width: calc(60px * sqrt(16));
height: calc(60px * sqrt(9));
background-color: maroon;
}
</style>
</head>
<body>
<h1>The sqrt() Function</h1>
<p>Here, sqrt() is used within the calc() function to set the width and height of three div elements.</p>
<div class="a"></div>
<div class="b"></div>
<div class="c"></div>
</body>
</html>