The figure shows a rectangle BCDE. ∠BEF = 63° and ∠CED = 35°. Find
- ∠CEF
- ∠BCE
(a)
∠CEF
= 63° + 35° - 90°
= 8° (Overlapping angles)
(b)
∠BEC
= 63° - 8°
= 55° (Overlapping angles)
∠BCE
= 180° - 90° - 55°
= 35° (Angles sum of triangle)
Answer(s): (a) 8°; (b) 35°