";
die;
}
if($b <= 0){
echo "STRANA b NENI KLADNE CISLO";
echo "
";
die;
}
if($c <= 0){
echo "STRANA c NENI KLADNE CISLO";
echo "
";
die;
}
if($v <= 0){
echo "STRANA v NENI KLADNE CISLO";
echo "
";
die;
}
echo "Strana a = ".$a." [ j ] ";
echo "
";
echo "Strana b = ".$b." [ j ] ";
echo "
";
echo "Strana c = ".$c." [ j ] ";
echo "
";
if ($vtype === $va ){
echo "v = Va = ".$v." [ j ] ";
echo "
";
echo "
";
$s = $v*$a/2;
echo "S = ".$s." [ j2 ] ";
echo "
";
}
if ($vtype === $vb ){
echo "v = Vb = ".$v." [ j ] ";
echo "
";
echo "
";
$s = $v*$b/2;
echo "S = ".$s." [ j2 ] ";
echo "
";
}
if ($vtype === $vc ){
echo "v = Vc = ".$v." [ j ] ";
echo "
";
echo "
";
$s = $v*$c/2;
echo "S = ".$s." [ j2 ] ";
echo "
";
}
$o = $a+$b+$c;
echo "o = ".$o." [ j2 ] ";
?>