<?php
function hitungLuasSegitiga($alas, $tinggi) {
    return 0.5 * $alas * $tinggi;
}
 
function hitungKelilingSegitiga($alas, $tinggi) {
    $sisiMiring = sqrt($alas * $alas + $tinggi * $tinggi); 
    return $alas + $tinggi + $sisiMiring;
}
 
$alas = 6; 
$tinggi = 8; 
 
$luas = hitungLuasSegitiga($alas, $tinggi);
$keliling = hitungKelilingSegitiga($alas, $tinggi);
 
echo "Luas Segitiga: " . $luas . "<br>";
echo "Keliling Segitiga: " . $keliling . "<br>";
?>

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