The figure shows a rectangle HJKL. ∠HLM = 60° and ∠JLK = 42°. Find
- ∠JLM
- ∠HJL
(a)
∠JLM
= 60° + 42° - 90°
= 12° (Overlapping angles)
(b)
∠HLJ
= 60° - 12°
= 48° (Overlapping angles)
∠HJL
= 180° - 90° - 48°
= 42° (Angles sum of triangle)
Answer(s): (a) 12°; (b) 42°