How to calculate surface area of cone in PHP

1 Answer

0 votes
$r = 5;
$h = 13;
  
$SurfaceArea = M_PI * $r * ($r + sqrt(($h * $h) + ($r * $r)));
          
echo "Surface Area of Cone = " . $SurfaceArea;

  
  
     
/*
run:
     
Surface Area of Cone = 297.32642777948
     
*/

 



answered Sep 11, 2021 by avibootz

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