7) k) l) m)

The sum of the angles in the triangle is 180°. Therefore l = 180 - (67 + 81) = 180 - 148 = 32°. Angle m and the 67° angle are subtended by the same arc, hence angle m = 67°. Angle k and the 32° angle are subtended by the same arc, hence angle k = 32°. Answer: k = 32°, l = 32°, m = 67°