Given the figure, find
- ∠j
- ∠i
(a)
∠DEJ
= 180° - 133°
= 47° (Angles on a straight line)
∠j = 47° (Alternate angles)
(b)
∠JHE
= 180° - 111°
= 69° (Angles on a straight line)
∠i
= 180° - 69° - 73°
= 38° (Angles sum of triangle)
Answer(s): (a) 47°; (b) 38°