practice3/FigurePolygon.php

<?php
/**
 * Created by PhpStorm.
 * User: mrs
 * Date: 28.12.2017
 * Time: 13:36
 */

require_once('Rectangle.php');

class FigurePolygon extends Rectangle
{

    public $points;
    public $lines;
    public $segmentLength;
    public $perimeter;

    public function __construct(Point $points)
    {
        $this->points = $points;
    }

    public function getPerimeter(): float
    {
        parent::getPerimeter();
    }
}