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<?php | |
abstract class BangunDatar_Defri { | |
abstract function luas(); | |
abstract function keliling(); | |
} | |
/** | |
* Menghitung bangun datar Persegi | |
* | |
* @param $sisi | |
* | |
*/ | |
class Persegi_Defri extends BangunDatar_Defri { | |
private float $sisi; | |
function __construct($sisi){ | |
$this->sisi = $sisi; | |
} | |
function luas(){ | |
echo "Luas ". get_class(). " : ". ($this->sisi * $this->sisi). "\n"; | |
} | |
function keliling(){ | |
echo "Keliling ". get_class(). " : ". (4*$this->sisi). "\n";; | |
} | |
} | |
/** | |
* Menghitung bangun datar Persegi Panjang | |
* | |
* @param $panjang | |
* @param $lebar | |
* | |
*/ | |
class PersegiPanjang_Defri extends BangunDatar_Defri { | |
private float $panjang; | |
private float $lebar; | |
function __construct($panjang,$lebar){ | |
$this->panjang = $panjang; | |
$this->lebar = $lebar; | |
} | |
function luas(){ | |
echo "Luas ".get_class(). " : ".($this->panjang*$this->lebar). "\n"; | |
} | |
function keliling(){ | |
echo "Keliling ". get_class(). " : ". ((2*$this->panjang) + (2*$this->lebar)). "\n"; | |
} | |
} | |
/** | |
* Menghitung bangun datar Lingkarang | |
* | |
* @param $jari2 | |
* | |
*/ | |
class Lingkaran_Defri extends BangunDatar_Defri { | |
private float $jari2; | |
function __construct($jari2){ | |
$this->jari2 = $jari2; | |
} | |
function luas(){ | |
echo "Luas ". get_class(). " : ". (pi() * pow($this->jari2,2)). "\n"; | |
} | |
function keliling(){ | |
echo "Keliling ". get_class(). " : ". (2 * pi() * $this->jari2). "\n"; | |
} | |
} | |
/** | |
* Menghitung bangun datar segitiga | |
* | |
* @param $alas | |
* @param $tinggi | |
* | |
*/ | |
class Segitiga_Defri extends BangunDatar_Defri { | |
private float $tinggi; | |
private float $alas; | |
function __construct($alas,$tinggi){ | |
$this->alas = $alas; | |
$this->tinggi = $tinggi; | |
} | |
function luas(){ | |
echo "Luas ". get_class(). " : ". (($this->alas * $this->tinggi) * .5). "\n"; | |
} | |
function keliling(){ | |
echo "Keliling ". get_class(). " : ". (sqrt( | |
pow($this->alas,2) + pow($this->tinggi,2) | |
) + $this->alas + $this->tinggi). "\n"; | |
} | |
} | |
// alas = 4 | |
// tinggi = 5 | |
$segitiga = new Segitiga_Defri(10,10); | |
// jari jari = 10 | |
$lingkaran = new Lingkaran_Defri(10); | |
// sisi = 10 | |
$persegi = new Persegi_Defri(10); | |
// panjang = 10 | |
// lebar = 5 | |
$persegi_panjang = new PersegiPanjang_Defri(10,5); | |
$segitiga->luas(); | |
$lingkaran->luas(); | |
$persegi->luas(); | |
$persegi_panjang->luas(); | |
$segitiga->keliling(); | |
$lingkaran->keliling(); | |
$persegi->keliling(); | |
$persegi_panjang->keliling(); |
$sisi=10;
$teks1="Belajar Menghitung volume balok";
$teks2="Volume Kubus";
$volume = $sisi*$sisi*$sisi;
echo"$teks1 . $teks2
";
echo"Panjang Sisi Kubus =
$sisi
";
echo"Volume Kubus = $volume
cm2
";
abstract class BangunDatar_Defri {
abstract function luas();
abstract function keliling();
}
/**
- Menghitung bangun datar Persegi
- @param $sisi
*/
class Persegi_Defri extends BangunDatar_Defri {
private float $sisi;
function __construct($sisi){
$this->sisi = $sisi;
}
function luas(){
echo "Luas ". get_class(). " : ". ($this->sisi * $this->sisi). "\n";
}
function keliling(){
echo "Keliling ". get_class(). " : ". (4*$this->sisi). "\n";;
}
}
/**
*/
class PersegiPanjang_Defri extends BangunDatar_Defri {
private float $panjang;
private float $lebar;
function __construct($panjang,$lebar){
$this->panjang = $panjang;
$this->lebar = $lebar;
}
function luas(){
echo "Luas ".get_class(). " : ".($this->panjang*$this->lebar). "\n";
}
function keliling(){
echo "Keliling ". get_class(). " : ". ((2*$this->panjang) + (2*$this->lebar)). "\n";
}
}
/**
- Menghitung bangun datar Lingkarang
- @param $jari2
*/
class Lingkaran_Defri extends BangunDatar_Defri {
private float $jari2;
function __construct($jari2){
$this->jari2 = $jari2;
}
function luas(){
echo "Luas ". get_class(). " : ". (pi() * pow($this->jari2,2)). "\n";
}
function keliling(){
echo "Keliling ". get_class(). " : ". (2 * pi() * $this->jari2). "\n";
}
}
/**
*/
class Segitiga_Defri extends BangunDatar_Defri {
private float $tinggi;
private float $alas;
function __construct($alas,$tinggi){
$this->alas = $alas;
$this->tinggi = $tinggi;
}
function luas(){
echo "Luas ". get_class(). " : ". (($this->alas * $this->tinggi) * .5). "\n";
}
function keliling(){
echo "Keliling ". get_class(). " : ". (sqrt(
pow($this->alas,2) + pow($this->tinggi,2)
) + $this->alas + $this->tinggi). "\n";
}
}
// alas = 4
// tinggi = 5
$segitiga = new Segitiga_Defri(10,10);
// jari jari = 10
$lingkaran = new Lingkaran_Defri(10);
// sisi = 10
$persegi = new Persegi_Defri(10);
// panjang = 10
// lebar = 5
$persegi_panjang = new PersegiPanjang_Defri(10,5);
$segitiga->luas();
$lingkaran->luas();
$persegi->luas();
$persegi_panjang->luas();
$segitiga->keliling();
$lingkaran->keliling();
$persegi->keliling();
$persegi_panjang->keliling();
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