In the figure, ∠FHG = 90°. ∠FHJ is 39° more than ∠GHJ.
- What line is perpendicular to FH?
- Find ∠FHJ.
(a)
Line GH or HG is perpendicular to FH.
(b)
∠GHJ = 1 u
∠FHJ = 1 u + 39
1 u + 1 u + 39° = 90° (Right angle)
2 u = 90° - 39° = 51°
1 u = 51° ÷ 2 = 25.5°
∠FHJ
= 25.5° + 39°
= 64.5°
Answer(s): (a) GH or HG; (b) 64.5°