color = $color; } public function getColor(){ return $color; } public function setColor($color){ $this->color = $color; } } class circle extends geometricObject { private $radius; public function __construct($radius, $color){ parent::__construct($color); $this->radius = $radius; } public function getRadius(){ return $radius; } public function getArea(){ return (pi() * pow($radius, 2)); } public function getSurfaceArea(){ return (2 * pi() * $radius); } public function setRadius($radius){ $this->radius = $radius; } } ?> getArea(); $color = $myCircle->getColor(); include_once 'output.php'; ?>