<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02221";
}
</style>
</head>
<body>
<p>Measured Angle using Hexa Decimal: ∡</p>
<p>Measured Angle using HTML Code: ∡</p>
<p>Measured Angle using HTML Entity: ∡</p>
<p id="point">Measured Angle using CSS Entity: </p>
</body>
</html>