DEFG is a rectangular piece of paper. Corners F and G are folded upwards as shown. ∠FJK = 14° and ∠GJE = 11 °
- Find ∠FKJ
- Find ∠GJF
(a)
∠FKJ
= 180° - 90° - 14°
= 76° (Angles sum of triangle)
(b)
∠GJF
= 180° - 11° - 11° - 14° - 14°
= 130° (Angles on a straight line)
Answer(s): (a) 76° (b) 130°