~~Find by calculation whether the points (13,8), (26,-4) lie in the same, adjacent, or opposite angles formed by the straight lines 5x+6y-112=0 and 10x+11y-217=0 Share with your friends Share 2 Brijendra Pal answered this Hi, Taking first line and first point and putting13,8 in it , we gets5×13+6×8-112= 113-112= +ve sign Now taking second point and putting in forst line, we gets26×5-6×4-112=-6 = -ve sign So these points lies opposite to the line 5x+6y-112=0 Similarly they will lies opposite to second line also, you may calculate the sign for your own practice. Regards 0 View Full Answer
