The figure shows a rectangle CDEF. ∠CFG = 59° and ∠DFE = 43°. Find
- ∠DFG
- ∠CDF
(a)
∠DFG
= 59° + 43° - 90°
= 12° (Overlapping angles)
(b)
∠CFD
= 59° - 12°
= 47° (Overlapping angles)
∠CDF
= 180° - 90° - 47°
= 43° (Angles sum of triangle)
Answer(s): (a) 12°; (b) 43°