The figure shows a rectangle HJKL. ∠HLM = 61° and ∠JLK = 40°. Find
- ∠JLM
- ∠HJL
(a)
∠JLM
= 61° + 40° - 90°
= 11° (Overlapping angles)
(b)
∠HLJ
= 61° - 11°
= 50° (Overlapping angles)
∠HJL
= 180° - 90° - 50°
= 40° (Angles sum of triangle)
Answer(s): (a) 11°; (b) 40°