A trangle by SAS with two side 15 , 7 and their included angle angle 60 degree

						var board = JXG.JSXGraph.initBoard('box1', {
boundingbox: [-10, 10, 10, -10],showNavigation:false, showcopyright: false, axis: false,
});

var tri = board.create('triangle', [7, 60 ,15,['C','B','A'],'SAS'],{D:'LT','line':{withLabel: true, strokeColor:'blue', }, 'angle':{visible:false,strokeWidth:1}});

var l1 = board.create('segment', [tri.C, tri.B],{withLabel: true,name:"7",label:{offset:[5,-10]}} );

var a1 = board.create('angle', [tri.B, tri.C,tri.A, ],{name:'60°',radius:2, label:{offset:[-10,0]}});