The figure shows a rectangle FGHJ. ∠FJK = 64° and ∠GJH = 39°. Find
- ∠GJK
- ∠FGJ
(a)
∠GJK
= 64° + 39° - 90°
= 13° (Overlapping angles)
(b)
∠FJG
= 64° - 13°
= 51° (Overlapping angles)
∠FGJ
= 180° - 90° - 51°
= 39° (Angles sum of triangle)
Answer(s): (a) 13°; (b) 39°