' PART 2R
<script>
        var a = document.getElementById("andrCanvas");
        var ctx1 = a.getContext("2d");
        ctx1.moveTo(0, 150);
        ctx1.lineTo(150, 0);
        ctx1.stroke();
        var b = document.getElementById("andrCanvas");
        var ctx2 = b.getContext("2d");
        ctx2.moveTo(150, 0);
        ctx2.lineTo(300, 100);
        ctx2.stroke();
        var c = document.getElementById("andrCanvas");
        var ctx3 = c.getContext("2d");
        ctx3.moveTo(300, 100);
	ctx3.lineTo(100, 300);
	ctx3.stroke();
</script>