In the figure, HJKL is a square and ∠JML = 41°. Calculate
- ∠LNK
- ∠JLN
(a)
∠JNM
= 180° - 90° - 41°
= 49° (Angles sum of triangle)
∠LNK = 49° (Vertically opposite angles)
(b)
∠LJN = 90° ÷ 2 = 45°
∠JLN
= 180° - 41° - 90° - 45°
= 4° (Angles sum of triangle)
Answer(s): (a) 49°; (b) 4°