In the figure, ∠DFE = 90°. ∠DFG is 32° more than ∠EFG.
- What line is perpendicular to DF?
- Find ∠DFG.
(a)
Line EF or FE is perpendicular to DF.
(b)
∠EFG = 1 u
∠DFG = 1 u + 32
1 u + 1 u + 32° = 90° (Right angle)
2 u = 90° - 32° = 58°
1 u = 58° ÷ 2 = 29°
∠DFG
= 29° + 32°
= 61°
Answer(s): (a) EF or FE; (b) 61°