A rectangle is twice the area of another

						var board = JXG.JSXGraph.initBoard('box1', {
boundingbox: [-10, 10, 10, -10],showNavigation:false, showcopyright: false, axis: false,
});
var p1 = board.create('point', [-8, -2],{face:'',fixed:true});
var p2 = board.create('point', [-8, 5],{face:'',fixed:true});
var p3 = board.create('point', [-2, 5],{face:'',fixed:true});
var p4 = board.create('point', [8, 5],{face:'',fixed:true});
var p5 = board.create('point', [8, -2.0],{face:'',fixed:true});
var p6 = board.create('point', [-2, -2.0],{face:'',fixed:true});
var l1 = board.create('segment', [p1, p2]);
var l2 = board.create('segment', [p2, p4]);
var l3 = board.create('segment', [p5, p4]);
var l4 = board.create('segment', [p5, p1]);
var l5 = board.create('segment', [p3, p6]);
var l6 = board.create('segment', [p3, p4],{withLabel:true,name:"2x+2"});