The figure shows a rectangle FGHJ. ∠FJK = 58° and ∠GJH = 42°. Find
- ∠GJK
- ∠FGJ
(a)
∠GJK
= 58° + 42° - 90°
= 10° (Overlapping angles)
(b)
∠FJG
= 58° - 10°
= 48° (Overlapping angles)
∠FGJ
= 180° - 90° - 48°
= 42° (Angles sum of triangle)
Answer(s): (a) 10°; (b) 42°