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Program to Find the Area of Triangle in PHP

Area of a triangle is calculated by the following Mathematical formula,

(base * height) / 2 = Area



Program:

Program to calculate area of triangle with base as 10 and height as 15 is shown.


<?php  
 $base = 10;  
 $height = 15;  
 echo "Area of Triangle having base $base and height $height= " . ($base * $height) / 2;  
 ?>  

Output:








Area of Triangle with Form

Program to calculate area of triangle by inserting values in the form is shown.


<html>  
<body>  
<form method = "post">   
Base: <input type="number" name="base">   
<br><br>  
Height: <input type="number" name="height"><br>   
<input type = "submit" name = "submit" value="Calculate">   
</form>   
</body>   
</html>  
<?php   
if(isset($_POST['submit']))  
    {   
$base = $_POST['base'];   
$height = $_POST['height'];   
$area = ($base*$height) / 2;   
echo "The area of a triangle with base as $base and height as $height is $area";   
}   
?>   

Output:









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