BCDE is a rectangular piece of paper. Corners D and E are folded upwards as shown. ∠DGH = 19° and ∠EGE = 15 °
- Find ∠DHG
- Find ∠EGD
(a)
∠DHG
= 180° - 90° - 19°
= 71° (Angles sum of triangle)
(b)
∠EGD
= 180° - 15° - 15° - 19° - 19°
= 112° (Angles on a straight line)
Answer(s): (a) 71° (b) 112°