Question

How to find the altitude of isosceles triangle in PHP

Answer 1

$a = 5; // length of two equal sides
$base = 8;
     
$altitude = sqrt(($a * $a) - (($base * $base) / 4));
          
echo "Altitude (Height) of Isosceles Triangle = " . $altitude;

 
  
  
    
/*
run:
    
Altitude (Height) of Isosceles Triangle = 3
    
*/

 

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