The figure shows a rectangle CDEF. ∠CFG = 59° and ∠DFE = 39°. Find
- ∠DFG
- ∠CDF
(a)
∠DFG
= 59° + 39° - 90°
= 8° (Overlapping angles)
(b)
∠CFD
= 59° - 8°
= 51° (Overlapping angles)
∠CDF
= 180° - 90° - 51°
= 39° (Angles sum of triangle)
Answer(s): (a) 8°; (b) 39°