Will award brainliest support beam needs to be placed at a 28° angle of elevation so that the top meets a vertical beam 1.6 meters above the horizontal floor. the vertical beam meets the floor at a 90° angle. law of sines: approximately how far from the vertical beam should the lower end of the support beam be placed along the horizontal floor? 3.0 meters3.4 meters3.9 meters4.4 meterswhich equation is true for triangle qrs?