In the figure, HJKL is a square and ∠JML = 38°. Calculate
- ∠LNK
- ∠JLN
(a)
∠JNM
= 180° - 90° - 38°
= 52° (Angles sum of triangle)
∠LNK = 52° (Vertically opposite angles)
(b)
∠LJN = 90° ÷ 2 = 45°
∠JLN
= 180° - 38° - 90° - 45°
= 7° (Angles sum of triangle)
Answer(s): (a) 52°; (b) 7°