In the figure, HJKL is a parallelogram and MK = ML.
- Find ∠n.
- Find ∠p.
(a)
∠HMJ = ∠HJM (Isosceles triangle)
∠n
= 180° - 49° - 49° - 69°
= 13° (Interior angles)
(b)
∠HMJ
= 180° - 49° - 49°
= 82° (Angles sum of triangle)
∠p
= 360° - 82°
= 278° (Angles at a point)
Answer(s): (a) 13°; (b) 278°