\(\angle 2 + \angle4 = 280^{\circ}.\) Вычислите \(\angle 2\) и \(\angle 3.\)

• \(80^{\circ}, 100^{\circ}\)
• \(50^{\circ}, 130^{\circ}\)
• \(40^{\circ}, 140^{\circ}\)
• \(60^{\circ}, 120^{\circ}\)